diff --git a/data/web/js/site/admin.js b/data/web/js/site/admin.js
index 07dfed8c5..252da9a19 100644
--- a/data/web/js/site/admin.js
+++ b/data/web/js/site/admin.js
@@ -517,7 +517,7 @@ jQuery(function($){
         if (item.used_by_mailboxes == '') { item.in_use_by = item.used_by_domains; }
         else if (item.used_by_domains == '') { item.in_use_by = item.used_by_mailboxes; }
         else { item.in_use_by = item.used_by_mailboxes + '<hr style="margin:5px 0px 5px 0px;">' + item.used_by_domains; }
-        item.chkbox = '<input type="checkbox" data-id="rlyhosts" name="multi_select" value="' + item.id + '" />';
+        item.chkbox = '<input type="checkbox" class="form-check-input" data-id="rlyhosts" name="multi_select" value="' + item.id + '" />';
       });
     } else if (table == 'transportstable') {
       $.each(data, function (i, item) {
@@ -532,11 +532,11 @@ jQuery(function($){
           '<a href="/edit/transport/' + encodeURI(item.id) + '" class="btn btn-xs btn-xs-third btn-secondary"><i class="bi bi-pencil-fill"></i> ' + lang.edit + '</a>' +
           '<a href="#" data-action="delete_selected" data-id="single-transport" data-api-url="delete/transport" data-item="' + encodeURI(item.id) + '" class="btn btn-xs btn-xs-third btn-danger"><i class="bi bi-trash"></i> ' + lang.remove + '</a>' +
           '</div>';
-        item.chkbox = '<input type="checkbox" data-id="transports" name="multi_select" value="' + item.id + '" />';
+        item.chkbox = '<input type="checkbox" class="form-check-input" data-id="transports" name="multi_select" value="' + item.id + '" />';
       });
     } else if (table == 'queuetable') {
       $.each(data, function (i, item) {
-        item.chkbox = '<input type="checkbox" data-id="mailqitems" name="multi_select" value="' + item.queue_id + '" />';
+        item.chkbox = '<input type="checkbox" class="form-check-input" data-id="mailqitems" name="multi_select" value="' + item.queue_id + '" />';
         rcpts = $.map(item.recipients, function(i) {
           return escapeHtml(i);
         });
@@ -550,7 +550,7 @@ jQuery(function($){
         item.action = '<div class="btn-group">' +
           '<a href="#" data-action="delete_selected" data-id="single-fwdhost" data-api-url="delete/fwdhost" data-item="' + encodeURI(item.host) + '" class="btn btn-xs btn-danger"><i class="bi bi-trash"></i> ' + lang.remove + '</a>' +
           '</div>';
-        item.chkbox = '<input type="checkbox" data-id="fwdhosts" name="multi_select" value="' + item.host + '" />';
+        item.chkbox = '<input type="checkbox" class="form-check-input" data-id="fwdhosts" name="multi_select" value="' + item.host + '" />';
       });
     } else if (table == 'oauth2clientstable') {
       $.each(data, function (i, item) {
@@ -560,13 +560,13 @@ jQuery(function($){
           '</div>';
         item.scope = "profile";
         item.grant_types = 'refresh_token password authorization_code';
-        item.chkbox = '<input type="checkbox" data-id="oauth2_clients" name="multi_select" value="' + item.id + '" />';
+        item.chkbox = '<input type="checkbox" class="form-check-input" data-id="oauth2_clients" name="multi_select" value="' + item.id + '" />';
       });
     } else if (table == 'domainadminstable') {
       $.each(data, function (i, item) {
         item.selected_domains = escapeHtml(item.selected_domains);
         item.selected_domains = item.selected_domains.toString().replace(/,/g, "<br>");
-        item.chkbox = '<input type="checkbox" data-id="domain_admins" name="multi_select" value="' + item.username + '" />';
+        item.chkbox = '<input type="checkbox" class="form-check-input" data-id="domain_admins" name="multi_select" value="' + item.username + '" />';
         item.action = '<div class="btn-group">' +
           '<a href="/edit/domainadmin/' + encodeURI(item.username) + '" class="btn btn-xs btn-xs-third btn-secondary"><i class="bi bi-pencil-fill"></i> ' + lang.edit + '</a>' +
           '<a href="#" data-action="delete_selected" data-id="single-domain-admin" data-api-url="delete/domain-admin" data-item="' + encodeURI(item.username) + '" class="btn btn-xs btn-xs-third btn-danger"><i class="bi bi-trash"></i> ' + lang.remove + '</a>' +
@@ -580,7 +580,7 @@ jQuery(function($){
         } else {
           item.usr = item.username;
         }
-        item.chkbox = '<input type="checkbox" data-id="admins" name="multi_select" value="' + item.username + '" />';
+        item.chkbox = '<input type="checkbox" class="form-check-input" data-id="admins" name="multi_select" value="' + item.username + '" />';
         item.action = '<div class="btn-group">' +
           '<a href="/edit/admin/' + encodeURI(item.username) + '" class="btn btn-xs btn-xs-half btn-secondary"><i class="bi bi-pencil-fill"></i> ' + lang.edit + '</a>' +
           '<a href="#" data-action="delete_selected" data-id="single-admin" data-api-url="delete/admin" data-item="' + encodeURI(item.username) + '" class="btn btn-xs btn-xs-half btn-danger"><i class="bi bi-trash"></i> ' + lang.remove + '</a>' +
diff --git a/data/web/js/site/edit.js b/data/web/js/site/edit.js
index 4680bdfaf..cd938cd84 100644
--- a/data/web/js/site/edit.js
+++ b/data/web/js/site/edit.js
@@ -93,10 +93,10 @@ jQuery(function($){
         dataSrc: function(data){
           $.each(data, function (i, item) {
             if (!validateEmail(item.object)) {
-              item.chkbox = '<input type="checkbox" data-id="policy_wl_domain" name="multi_select" value="' + item.prefid + '" />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" data-id="policy_wl_domain" name="multi_select" value="' + item.prefid + '" />';
             }
             else {
-              item.chkbox = '<input type="checkbox" disabled title="' + lang_user.spamfilter_table_domain_policy + '" />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" disabled title="' + lang_user.spamfilter_table_domain_policy + '" />';
             }
           });
 
@@ -154,10 +154,10 @@ jQuery(function($){
         dataSrc: function(data){
           $.each(data, function (i, item) {
             if (!validateEmail(item.object)) {
-              item.chkbox = '<input type="checkbox" data-id="policy_bl_domain" name="multi_select" value="' + item.prefid + '" />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" data-id="policy_bl_domain" name="multi_select" value="' + item.prefid + '" />';
             }
             else {
-              item.chkbox = '<input type="checkbox" disabled tooltip="' + lang_user.spamfilter_table_domain_policy + '" />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" disabled tooltip="' + lang_user.spamfilter_table_domain_policy + '" />';
             }
           });
 
diff --git a/data/web/js/site/mailbox.js b/data/web/js/site/mailbox.js
index 3ddeea944..50ce59df1 100644
--- a/data/web/js/site/mailbox.js
+++ b/data/web/js/site/mailbox.js
@@ -466,7 +466,7 @@ jQuery(function($){
 
             item.def_quota_for_mbox = humanFileSize(item.def_quota_for_mbox);
             item.max_quota_for_mbox = humanFileSize(item.max_quota_for_mbox);
-            item.chkbox = '<input type="checkbox" data-id="domain" name="multi_select" value="' + encodeURIComponent(item.domain_name) + '" />';
+            item.chkbox = '<input type="checkbox" class="form-check-input" data-id="domain" name="multi_select" value="' + encodeURIComponent(item.domain_name) + '" />';
             item.action = '<div class="btn-group">';
             if (role == "admin") {
               item.action += '<a href="/edit/domain/' + encodeURIComponent(item.domain_name) + '" class="btn btn-sm btn-xs-half btn-secondary"><i class="bi bi-pencil-fill"></i> ' + lang.edit + '</a>' +
@@ -650,7 +650,7 @@ jQuery(function($){
         url: "/api/v1/get/domain/template/all",
         dataSrc: function(json){
           $.each(json, function (i, item) {
-            item.chkbox = '<input type="checkbox" data-id="domain_template" name="multi_select" value="' + encodeURIComponent(item.id) + '" />';
+            item.chkbox = '<input type="checkbox" class="form-check-input" data-id="domain_template" name="multi_select" value="' + encodeURIComponent(item.id) + '" />';
 
             item.attributes.def_quota_for_mbox = humanFileSize(item.attributes.def_quota_for_mbox);
             item.attributes.max_quota_for_mbox = humanFileSize(item.attributes.max_quota_for_mbox);
@@ -880,7 +880,7 @@ jQuery(function($){
               }
             }
             */
-            item.chkbox = '<input type="checkbox" data-id="mailbox" name="multi_select" value="' + encodeURIComponent(item.username) + '" />';
+            item.chkbox = '<input type="checkbox" class="form-check-input" data-id="mailbox" name="multi_select" value="' + encodeURIComponent(item.username) + '" />';
             if (item.attributes.passwd_update != '0') {
               var last_pw_change = new Date(item.attributes.passwd_update.replace(/-/g, "/"));
               item.last_pw_change = last_pw_change.toLocaleDateString(undefined, {year: "numeric", month: "2-digit", day: "2-digit", hour: "2-digit", minute: "2-digit", second: "2-digit"});
@@ -1148,7 +1148,7 @@ jQuery(function($){
         url: "/api/v1/get/mailbox/template/all",
         dataSrc: function(json){
           $.each(json, function (i, item) {
-            item.chkbox = '<input type="checkbox" data-id="mailbox_template" name="multi_select" value="' + encodeURIComponent(item.id) + '" />';
+            item.chkbox = '<input type="checkbox" class="form-check-input" data-id="mailbox_template" name="multi_select" value="' + encodeURIComponent(item.id) + '" />';
 
             item.template = escapeHtml(item.template);
             if (item.attributes.rl_frame === "s"){
@@ -1381,7 +1381,7 @@ jQuery(function($){
               '<a href="/edit/resource/' + encodeURIComponent(item.name) + '" class="btn btn-sm btn-xs-half btn-secondary"><i class="bi bi-pencil-fill"></i> ' + lang.edit + '</a>' +
               '<a href="#" data-action="delete_selected" data-id="single-resource" data-api-url="delete/resource" data-item="' + item.name + '" class="btn btn-sm btn-xs-half btn-danger"><i class="bi bi-trash"></i> ' + lang.remove + '</a>' +
               '</div>';
-            item.chkbox = '<input type="checkbox" data-id="resource" name="multi_select" value="' + encodeURIComponent(item.name) + '" />';
+            item.chkbox = '<input type="checkbox" class="form-check-input" data-id="resource" name="multi_select" value="' + encodeURIComponent(item.name) + '" />';
             item.name = escapeHtml(item.name);
             item.description = escapeHtml(item.description);
           });
@@ -1521,7 +1521,7 @@ jQuery(function($){
               '<a href="/edit/bcc/' + item.id + '" class="btn btn-sm btn-xs-half btn-secondary"><i class="bi bi-pencil-fill"></i> ' + lang.edit + '</a>' +
               '<a href="#" data-action="delete_selected" data-id="single-bcc" data-api-url="delete/bcc" data-item="' + item.id + '" class="btn btn-sm btn-xs-half btn-danger"><i class="bi bi-trash"></i> ' + lang.remove + '</a>' +
               '</div>';
-            item.chkbox = '<input type="checkbox" data-id="bcc" name="multi_select" value="' + item.id + '" />';
+            item.chkbox = '<input type="checkbox" class="form-check-input" data-id="bcc" name="multi_select" value="' + item.id + '" />';
             item.local_dest = escapeHtml(item.local_dest);
             item.bcc_dest = escapeHtml(item.bcc_dest);
             if (item.type == 'sender') {
@@ -1635,7 +1635,7 @@ jQuery(function($){
               '<a href="/edit/recipient_map/' + item.id + '" class="btn btn-sm btn-xs-half btn-secondary"><i class="bi bi-pencil-fill"></i> ' + lang.edit + '</a>' +
               '<a href="#" data-action="delete_selected" data-id="single-recipient_map" data-api-url="delete/recipient_map" data-item="' + item.id + '" class="btn btn-sm btn-xs-half btn-danger"><i class="bi bi-trash"></i> ' + lang.remove + '</a>' +
               '</div>';
-            item.chkbox = '<input type="checkbox" data-id="recipient_map" name="multi_select" value="' + item.id + '" />';
+            item.chkbox = '<input type="checkbox" class="form-check-input" data-id="recipient_map" name="multi_select" value="' + item.id + '" />';
           });
 
           return json;
@@ -1737,7 +1737,7 @@ jQuery(function($){
               '<a href="/edit/tls_policy_map/' + item.id + '" class="btn btn-sm btn-xs-half btn-secondary"><i class="bi bi-pencil-fill"></i> ' + lang.edit + '</a>' +
               '<a href="#" data-action="delete_selected" data-id="single-tls-policy-map" data-api-url="delete/tls-policy-map" data-item="' + item.id + '" class="btn btn-sm btn-xs-half btn-danger"><i class="bi bi-trash"></i> ' + lang.remove + '</a>' +
               '</div>';
-            item.chkbox = '<input type="checkbox" data-id="tls-policy-map" name="multi_select" value="' + item.id + '" />';
+            item.chkbox = '<input type="checkbox" class="form-check-input" data-id="tls-policy-map" name="multi_select" value="' + item.id + '" />';
           });
 
           return json;
@@ -1835,7 +1835,7 @@ jQuery(function($){
               '<a href="/edit/alias/' + encodeURIComponent(item.id) + '" class="btn btn-sm btn-xs-half btn-secondary"><i class="bi bi-pencil-fill"></i> ' + lang.edit + '</a>' +
               '<a href="#" data-action="delete_selected" data-id="single-alias" data-api-url="delete/alias" data-item="' + encodeURIComponent(item.id) + '" class="btn btn-sm btn-xs-half btn-danger"><i class="bi bi-trash"></i> ' + lang.remove + '</a>' +
               '</div>';
-            item.chkbox = '<input type="checkbox" data-id="alias" name="multi_select" value="' + encodeURIComponent(item.id) + '" />';
+            item.chkbox = '<input type="checkbox" class="form-check-input" data-id="alias" name="multi_select" value="' + encodeURIComponent(item.id) + '" />';
             item.goto = escapeHtml(item.goto.replace(/,/g, " "));
             if (item.public_comment !== null) {
               item.public_comment = escapeHtml(item.public_comment);
@@ -1958,7 +1958,7 @@ jQuery(function($){
     table.on('responsive-resize', function (e, datatable, columns){
       hideTableExpandCollapseBtn('#tab-mbox-aliases', '#alias_table');
     });
-    
+
     table.on( 'draw', function (){
         $('#alias_table [data-bs-toggle="tooltip"]').tooltip();
     });
@@ -1995,7 +1995,7 @@ jQuery(function($){
               '<a href="#" data-action="delete_selected" data-id="single-alias-domain" data-api-url="delete/alias-domain" data-item="' + encodeURIComponent(item.alias_domain) + '" class="btn btn-sm btn-xs-third btn-danger"><i class="bi bi-trash"></i> ' + lang.remove + '</a>' +
               '<a href="#dnsInfoModal" class="btn btn-sm btn-xs-third btn-info" data-bs-toggle="modal" data-domain="' + encodeURIComponent(item.alias_domain) + '"><i class="bi bi-globe2"></i> DNS</a></div>' +
               '</div>';
-            item.chkbox = '<input type="checkbox" data-id="alias-domain" name="multi_select" value="' + encodeURIComponent(item.alias_domain) + '" />';
+            item.chkbox = '<input type="checkbox" class="form-check-input" data-id="alias-domain" name="multi_select" value="' + encodeURIComponent(item.alias_domain) + '" />';
             if(item.parent_is_backupmx == '1') {
               item.target_domain = '<span><a href="/edit/domain/' + item.target_domain + '">' + item.target_domain + '</a> <div class="badge fs-6 bg-warning">' + lang.alias_domain_backupmx + '</div></span>';
             } else {
@@ -2096,7 +2096,7 @@ jQuery(function($){
               '<a href="/edit/syncjob/' + item.id + '" class="btn btn-sm btn-xs-half btn-secondary"><i class="bi bi-pencil-fill"></i> ' + lang.edit + '</a>' +
               '<a href="#" data-action="delete_selected" data-id="single-syncjob" data-api-url="delete/syncjob" data-item="' + item.id + '" class="btn btn-sm btn-xs-half btn-danger"><i class="bi bi-trash"></i> ' + lang.remove + '</a>' +
               '</div>';
-            item.chkbox = '<input type="checkbox" data-id="syncjob" name="multi_select" value="' + item.id + '" />';
+            item.chkbox = '<input type="checkbox" class="form-check-input" data-id="syncjob" name="multi_select" value="' + item.id + '" />';
             if (item.is_running == 1) {
               item.is_running = '<span id="active-script" class="badge fs-6 bg-success">' + lang.running + '</span>';
             } else {
@@ -2250,7 +2250,7 @@ jQuery(function($){
               '<a href="/edit/filter/' + item.id + '" class="btn btn-sm btn-xs-half btn-secondary"><i class="bi bi-pencil-fill"></i> ' + lang.edit + '</a>' +
               '<a href="#" data-action="delete_selected" data-id="single-filter" data-api-url="delete/filter" data-item="' + encodeURIComponent(item.id) + '" class="btn btn-sm btn-xs-half btn-danger"><i class="bi bi-trash"></i> ' + lang.remove + '</a>' +
               '</div>';
-            item.chkbox = '<input type="checkbox" data-id="filter_item" name="multi_select" value="' + item.id + '" />'
+            item.chkbox = '<input type="checkbox" class="form-check-input" data-id="filter_item" name="multi_select" value="' + item.id + '" />'
           });
 
           return json;
@@ -2344,7 +2344,7 @@ jQuery(function($){
           }
         });
       })
-      
+
       observer.observe(element_object);
     });
   }
diff --git a/data/web/js/site/quarantine.js b/data/web/js/site/quarantine.js
index 18d7a1d5d..8d7f22255 100644
--- a/data/web/js/site/quarantine.js
+++ b/data/web/js/site/quarantine.js
@@ -77,7 +77,7 @@ jQuery(function($){
               '<a href="#" data-item="' + encodeURI(item.id) + '" class="btn btn-xs btn-info show_qid_info"><i class="bi bi-file-earmark-text"></i> ' + lang.show_item + '</a>' +
               '</div>';
             }
-            item.chkbox = '<input type="checkbox" data-id="qitems" name="multi_select" value="' + item.id + '" />';
+            item.chkbox = '<input type="checkbox" class="form-check-input" data-id="qitems" name="multi_select" value="' + item.id + '" />';
           });
 
           return data;
diff --git a/data/web/js/site/queue.js b/data/web/js/site/queue.js
index f37884a6f..26c15091d 100644
--- a/data/web/js/site/queue.js
+++ b/data/web/js/site/queue.js
@@ -48,7 +48,7 @@ jQuery(function($){
       url: "/api/v1/get/mailq/all",
       dataSrc: function(data){
         $.each(data, function (i, item) {
-          item.chkbox = '<input type="checkbox" data-id="mailqitems" name="multi_select" value="' + item.queue_id + '" />';
+          item.chkbox = '<input type="checkbox" class="form-check-input" data-id="mailqitems" name="multi_select" value="' + item.queue_id + '" />';
           rcpts = $.map(item.recipients, function(i) {
             return escapeHtml(i);
           });
diff --git a/data/web/js/site/user.js b/data/web/js/site/user.js
index 2227e0b05..088321cd3 100644
--- a/data/web/js/site/user.js
+++ b/data/web/js/site/user.js
@@ -127,7 +127,7 @@ jQuery(function($){
     }
   }
 
-  
+
   function createSortableDate(td, cellData, date_string = false) {
     if (date_string)
       var date = new Date(cellData);
@@ -169,11 +169,11 @@ jQuery(function($){
               item.action = '<div class="btn-group">' +
                 '<a href="#" data-action="delete_selected" data-id="single-tla" data-api-url="delete/time_limited_alias" data-item="' + encodeURIComponent(item.address) + '" class="btn btn-xs btn-danger"><i class="bi bi-trash"></i> ' + lang.remove + '</a>' +
                 '</div>';
-              item.chkbox = '<input type="checkbox" data-id="tla" name="multi_select" value="' + encodeURIComponent(item.address) + '" />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" data-id="tla" name="multi_select" value="' + encodeURIComponent(item.address) + '" />';
               item.address = escapeHtml(item.address);
             }
             else {
-              item.chkbox = '<input type="checkbox" disabled />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" disabled />';
               item.action = '<span>-</span>';
             }
           });
@@ -263,11 +263,11 @@ jQuery(function($){
                 '<a href="/edit/syncjob/' + item.id + '" class="btn btn-xs btn-xs-half btn-secondary"><i class="bi bi-pencil-fill"></i> ' + lang.edit + '</a>' +
                 '<a href="#" data-action="delete_selected" data-id="single-syncjob" data-api-url="delete/syncjob" data-item="' + item.id + '" class="btn btn-xs btn-xs-half btn-danger"><i class="bi bi-trash"></i> ' + lang.remove + '</a>' +
                 '</div>';
-              item.chkbox = '<input type="checkbox" data-id="syncjob" name="multi_select" value="' + item.id + '" />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" data-id="syncjob" name="multi_select" value="' + item.id + '" />';
             }
             else {
               item.action = '<span>-</span>';
-              item.chkbox = '<input type="checkbox" disabled />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" disabled />';
             }
             if (item.is_running == 1) {
               item.is_running = '<span id="active-script" class="badge fs-6 bg-success">' + lang.running + '</span>';
@@ -420,11 +420,11 @@ jQuery(function($){
                 '<a href="/edit/app-passwd/' + item.id + '" class="btn btn-xs btn-xs-half btn-secondary"><i class="bi bi-pencil-fill"></i> ' + lang.edit + '</a>' +
                 '<a href="#" data-action="delete_selected" data-id="single-apppasswd" data-api-url="delete/app-passwd" data-item="' + item.id + '" class="btn btn-xs btn-xs-half btn-danger"><i class="bi bi-trash"></i> ' + lang.remove + '</a>' +
                 '</div>';
-              item.chkbox = '<input type="checkbox" data-id="apppasswd" name="multi_select" value="' + item.id + '" />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" data-id="apppasswd" name="multi_select" value="' + item.id + '" />';
             }
             else {
               item.action = '<span>-</span>';
-              item.chkbox = '<input type="checkbox" disabled />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" disabled />';
             }
           });
 
@@ -503,13 +503,13 @@ jQuery(function($){
           console.log(data);
           $.each(data, function (i, item) {
             if (validateEmail(item.object)) {
-              item.chkbox = '<input type="checkbox" data-id="policy_wl_mailbox" name="multi_select" value="' + item.prefid + '" />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" data-id="policy_wl_mailbox" name="multi_select" value="' + item.prefid + '" />';
             }
             else {
-              item.chkbox = '<input type="checkbox" disabled title="' + lang.spamfilter_table_domain_policy + '" />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" disabled title="' + lang.spamfilter_table_domain_policy + '" />';
             }
             if (acl_data.spam_policy === 0) {
-              item.chkbox = '<input type="checkbox" disabled />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" disabled />';
             }
           });
 
@@ -574,13 +574,13 @@ jQuery(function($){
           console.log(data);
           $.each(data, function (i, item) {
             if (validateEmail(item.object)) {
-              item.chkbox = '<input type="checkbox" data-id="policy_bl_mailbox" name="multi_select" value="' + item.prefid + '" />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" data-id="policy_bl_mailbox" name="multi_select" value="' + item.prefid + '" />';
             }
             else {
-              item.chkbox = '<input type="checkbox" disabled tooltip="' + lang.spamfilter_table_domain_policy + '" />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" disabled tooltip="' + lang.spamfilter_table_domain_policy + '" />';
             }
             if (acl_data.spam_policy === 0) {
-              item.chkbox = '<input type="checkbox" disabled />';
+              item.chkbox = '<input type="checkbox" class="form-check-input" disabled />';
             }
           });
 
diff --git a/data/web/templates/admin/tab-config-admins.twig b/data/web/templates/admin/tab-config-admins.twig
index f33067f60..b672b8159 100644
--- a/data/web/templates/admin/tab-config-admins.twig
+++ b/data/web/templates/admin/tab-config-admins.twig
@@ -146,7 +146,7 @@
                   <div class="row mb-2">
                     <div class="offset-sm-3 col-sm-9">
                       <label>
-                        <input type="checkbox" name="skip_ip_check" id="skip_ip_check_ro" {% if api.ro.skip_ip_check %}checked{% endif %}> {{ lang.admin.api_skip_ip_check }}
+                        <input type="checkbox" class="form-check-input" name="skip_ip_check" id="skip_ip_check_ro" {% if api.ro.skip_ip_check %}checked{% endif %}> {{ lang.admin.api_skip_ip_check }}
                       </label>
                     </div>
                   </div>
@@ -159,7 +159,7 @@
                   <div class="row mb-2">
                     <div class="offset-sm-3 col-sm-9">
                       <label>
-                        <input type="checkbox" name="active" {% if api.ro.active %}checked{% endif %}> {{ lang.admin.activate_api }}
+                        <input type="checkbox" class="form-check-input" name="active" {% if api.ro.active %}checked{% endif %}> {{ lang.admin.activate_api }}
                       </label>
                     </div>
                   </div>
@@ -191,7 +191,7 @@
                   <div class="row mb-2">
                     <div class="offset-sm-3 col-sm-9">
                       <label>
-                        <input type="checkbox" name="skip_ip_check" id="skip_ip_check_rw" {% if api.rw.skip_ip_check %}checked{% endif %}> {{ lang.admin.api_skip_ip_check }}
+                        <input type="checkbox" class="form-check-input" name="skip_ip_check" id="skip_ip_check_rw" {% if api.rw.skip_ip_check %}checked{% endif %}> {{ lang.admin.api_skip_ip_check }}
                       </label>
                     </div>
                   </div>
@@ -204,7 +204,7 @@
                   <div class="row mb-2">
                     <div class="offset-sm-3 col-sm-9">
                       <label>
-                        <input type="checkbox" name="active" {% if api.rw.active %}checked{% endif %}> {{ lang.admin.activate_api }}
+                        <input type="checkbox" class="form-check-input" name="active" {% if api.rw.active %}checked{% endif %}> {{ lang.admin.activate_api }}
                       </label>
                     </div>
                   </div>
diff --git a/data/web/templates/admin/tab-config-customize.twig b/data/web/templates/admin/tab-config-customize.twig
index e458eeb3b..88d1c6643 100644
--- a/data/web/templates/admin/tab-config-customize.twig
+++ b/data/web/templates/admin/tab-config-customize.twig
@@ -111,7 +111,7 @@
               </div>
             </div>
             <p><textarea class="form-control" id="ui_announcement_text" name="ui_announcement_text" rows="7">{{ ui_texts.ui_announcement_text }}</textarea></p>
-            <div class="checkbox">
+            <div class="form-check">
               <label>
                 <input type="checkbox" name="ui_announcement_active" class="form-check-input" {% if ui_texts.ui_announcement_active == 1 %}checked{% endif %}> {{ lang.admin.ui_header_announcement_active }}
               </label>
diff --git a/data/web/templates/admin/tab-config-dkim.twig b/data/web/templates/admin/tab-config-dkim.twig
index 857bfba29..85c6dc6ae 100644
--- a/data/web/templates/admin/tab-config-dkim.twig
+++ b/data/web/templates/admin/tab-config-dkim.twig
@@ -20,7 +20,7 @@
       {% for domain, domain_data in dkim_domains %}
         {% if domain_data.dkim %}
           <div class="row collapse show dkim_key_valid">
-            <div class="col-md-1"><input type="checkbox" data-id="dkim" name="multi_select" value="{{ domain }}"></div>
+            <div class="col-md-1"><input type="checkbox" class="form-check-input" data-id="dkim" name="multi_select" value="{{ domain }}"></div>
             <div class="col-md-3">
               <p>{{ lang.admin.domain }}: <strong>{{ domain }}</strong>
               <p class="dkim-label"><span class="badge fs-6 bg-success">{{ lang.admin.dkim_key_valid }}</span></p>
@@ -31,7 +31,7 @@
             <div class="col-md-8">
               <textarea class="form-control" rows="6" readonly>{{ domain_data.dkim.dkim_txt }}</textarea>
               <small>
-                <i class="bi bi-arrow-return-right"></i> 
+                <i class="bi bi-arrow-return-right"></i>
                 <a href="#" data-bs-toggle="modal" data-bs-target="#showDKIMprivKey" id="dkim_priv" data-priv-key="{{ domain_data.dkim.privkey }}"> {{ lang.admin.dkim_private_key }}</a>
               </small>
             </div>
@@ -50,7 +50,7 @@
         {% for alias_domain, alias_domain_data in domain_data.alias_domains %}
           {% if alias_domain_data.dkim %}
             <div class="row collapse in dkim_key_valid">
-              <div class="col-md-1"><input type="checkbox" data-id="dkim" name="multi_select" value="{{ alias_domain }}"></div>
+              <div class="col-md-1"><input type="checkbox" class="form-check-input" data-id="dkim" name="multi_select" value="{{ alias_domain }}"></div>
               <div class="col-md-2 offset-md-1">
                 <p><small>↳ Alias-Domain: <strong>{{ alias_domain }}</strong></small>
                 <p class="dkim-label"><span class="badge fs-6 bg-success">{{ lang.admin.dkim_key_valid }}</span></p>
@@ -78,7 +78,7 @@
       {% endfor %}
       {% for blind, data in dkim_blind_domains|filter(data => data.dkim is not null) %}
         <div class="row collapse in dkim_key_unused">
-          <div class="col-md-1"><input type="checkbox" data-id="dkim" name="multi_select" value="{{ blind }}"></div>
+          <div class="col-md-1"><input type="checkbox" class="form-check-input" data-id="dkim" name="multi_select" value="{{ blind }}"></div>
           <div class="col-md-3">
             <p>{{ lang.admin.domain }}: <strong>{{ blind }}</strong>
             <p class="dkim-label"><span class="badge fs-6 bg-warning">{{ lang.admin.dkim_key_unused }}</span></p>
@@ -143,7 +143,7 @@
           </div>
           <div class="mb-2">
             <label>
-              <input type="checkbox" name="overwrite_existing" value="1"> {{ lang.admin.dkim_overwrite_key }}
+              <input type="checkbox" class="form-check-input" name="overwrite_existing" value="1"> {{ lang.admin.dkim_overwrite_key }}
             </label>
           </div>
           <button class="btn btn-sm d-block d-sm-inline btn-secondary" data-action="add_item" data-id="dkim_import" data-api-url='add/dkim_import' data-api-attr='{}' href="#"><i class="bi bi-plus-lg"></i> {{ lang.admin.import }}</button>
diff --git a/data/web/templates/admin/tab-config-password-policy.twig b/data/web/templates/admin/tab-config-password-policy.twig
index dd77f3a3e..8209ba542 100644
--- a/data/web/templates/admin/tab-config-password-policy.twig
+++ b/data/web/templates/admin/tab-config-password-policy.twig
@@ -21,7 +21,7 @@
             <div class="row mb-2">
               <div class="offset-sm-3 col-sm-9">
                 <label>
-                  <input type="checkbox" name="{{ name }}" id="{{ name }}" value="1" {% if value == 1 %}checked{% endif %}> {{ lang.admin['password_policy_'~name] }}
+                  <input type="checkbox" class="form-check-input" name="{{ name }}" id="{{ name }}" value="1" {% if value == 1 %}checked{% endif %}> {{ lang.admin['password_policy_'~name] }}
                 </label>
               </div>
             </div>
diff --git a/data/web/templates/admin/tab-config-rsettings.twig b/data/web/templates/admin/tab-config-rsettings.twig
index bf5296329..38b0d593d 100644
--- a/data/web/templates/admin/tab-config-rsettings.twig
+++ b/data/web/templates/admin/tab-config-rsettings.twig
@@ -57,7 +57,7 @@
                       </div>
                       <div class="mt-4 mb-2">
                         <label>
-                          <input type="checkbox" name="active" value="1" {% if rsetting.details.active %}checked{% endif %}> {{ lang.admin.active }}
+                          <input type="checkbox" class="form-check-input" name="active" value="1" {% if rsetting.details.active %}checked{% endif %}> {{ lang.admin.active }}
                         </label>
                       </div>
                       <button class="btn btn-sm btn-success" data-action="edit_selected" data-item="{{ rsetting.details.id }}" data-id="rsettings" data-api-url='edit/rsetting' data-api-attr='{}' href="#"><i class="bi bi-check-lg"></i> {{ lang.admin.save }}</button>
diff --git a/data/web/templates/admin/tab-globalfilter-regex.twig b/data/web/templates/admin/tab-globalfilter-regex.twig
index 086ce533f..386cffc1c 100644
--- a/data/web/templates/admin/tab-globalfilter-regex.twig
+++ b/data/web/templates/admin/tab-globalfilter-regex.twig
@@ -12,7 +12,7 @@
         <div class="row">
           <div class="offset-sm-2 col-sm-10">
             <label>
-              <input type="checkbox" id="show_rspamd_global_filters"> {{ lang.admin.rspamd_global_filters_agree }}
+              <input type="checkbox" class="form-check-input" id="show_rspamd_global_filters"> {{ lang.admin.rspamd_global_filters_agree }}
             </label>
           </div>
         </div>
diff --git a/data/web/templates/admin/tab-routing.twig b/data/web/templates/admin/tab-routing.twig
index c6e59601d..07d979557 100644
--- a/data/web/templates/admin/tab-routing.twig
+++ b/data/web/templates/admin/tab-routing.twig
@@ -90,12 +90,12 @@
             </div>
             <div class="mb-2">
               <label>
-                <input type="checkbox" name="is_mx_based" value="1"> {{ lang.admin.lookup_mx|raw }}
+                <input type="checkbox" class="form-check-input" name="is_mx_based" value="1"> {{ lang.admin.lookup_mx|raw }}
               </label>
             </div>
             <div class="mb-4">
               <label>
-                <input type="checkbox" name="active" value="1"> {{ lang.admin.active }}
+                <input type="checkbox" class="form-check-input" name="active" value="1"> {{ lang.admin.active }}
               </label>
             </div>
             <p class="text-muted">{{ lang.admin.credentials_transport_warning|raw }}</p>
diff --git a/data/web/templates/admin/tab-sys-mails.twig b/data/web/templates/admin/tab-sys-mails.twig
index 1b842ff88..105151f7a 100644
--- a/data/web/templates/admin/tab-sys-mails.twig
+++ b/data/web/templates/admin/tab-sys-mails.twig
@@ -60,7 +60,7 @@
         <div class="row mb-2">
           <div class="offset-sm-2 col-sm-10">
             <label>
-              <input type="checkbox" id="mass_disarm"> {{ lang.admin.activate_send }}
+              <input type="checkbox" class="form-check-input" id="mass_disarm"> {{ lang.admin.activate_send }}
             </label>
           </div>
         </div>
diff --git a/data/web/templates/edit/admin.twig b/data/web/templates/edit/admin.twig
index 8806b068f..e2c6f66ed 100644
--- a/data/web/templates/edit/admin.twig
+++ b/data/web/templates/edit/admin.twig
@@ -27,15 +27,15 @@
   </div>
   <div class="row mb-2">
     <div class="offset-sm-2 col-sm-10">
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
       </div>
     </div>
   </div>
   <div class="row mb-2">
     <div class="offset-sm-2 col-sm-10">
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="disable_tfa"> {{ lang.tfa.disable_tfa }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="disable_tfa"> {{ lang.tfa.disable_tfa }}</label>
       </div>
     </div>
   </div>
diff --git a/data/web/templates/edit/alias.twig b/data/web/templates/edit/alias.twig
index 83a3760c5..48d19617b 100644
--- a/data/web/templates/edit/alias.twig
+++ b/data/web/templates/edit/alias.twig
@@ -19,19 +19,19 @@
     <label class="control-label col-sm-2" for="goto">{{ lang.edit.target_address|raw }}</label>
     <div class="col-sm-10">
       <textarea id="textarea_alias_goto" class="form-control mb-4" autocapitalize="none" autocorrect="off" rows="10" id="goto" name="goto" required>{{ goto|replace({',': ', '}) }}</textarea>
-      <div class="checkbox">
-        <label><input class="goto_checkbox" type="checkbox" value="1" name="goto_null"{% if result.goto == 'null@localhost' %} checked{% endif %}> {{ lang.add.goto_null }}</label>
+      <div class="form-check">
+        <label><input class="form-check-input goto_checkbox" type="checkbox" value="1" name="goto_null"{% if result.goto == 'null@localhost' %} checked{% endif %}> {{ lang.add.goto_null }}</label>
       </div>
-      <div class="checkbox">
-        <label><input class="goto_checkbox" type="checkbox" value="1" name="goto_spam"{% if result.goto == 'spam@localhost' %} checked{% endif %}> {{ lang.add.goto_spam|raw }}</label>
+      <div class="form-check">
+        <label><input class="form-check-input goto_checkbox" type="checkbox" value="1" name="goto_spam"{% if result.goto == 'spam@localhost' %} checked{% endif %}> {{ lang.add.goto_spam|raw }}</label>
       </div>
-      <div class="checkbox">
-        <label><input class="goto_checkbox" type="checkbox" value="1" name="goto_ham"{% if result.goto == 'ham@localhost' %} checked{% endif %}> {{ lang.add.goto_ham|raw }}</label>
+      <div class="form-check">
+        <label><input class="form-check-input goto_checkbox" type="checkbox" value="1" name="goto_ham"{% if result.goto == 'ham@localhost' %} checked{% endif %}> {{ lang.add.goto_ham|raw }}</label>
       </div>
       {% if not skip_sogo %}
       <hr>
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="sogo_visible"{% if result.sogo_visible == '1' %} checked{% endif %}> {{ lang.edit.sogo_visible }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="sogo_visible"{% if result.sogo_visible == '1' %} checked{% endif %}> {{ lang.edit.sogo_visible }}</label>
       </div>
       <p class="text-muted">{{ lang.edit.sogo_visible_info }}</p>
       {% endif %}
@@ -53,8 +53,8 @@
   <hr>
   <div class="row mb-2">
     <div class="offset-sm-2 col-sm-10">
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
       </div>
     </div>
   </div>
diff --git a/data/web/templates/edit/aliasdomain.twig b/data/web/templates/edit/aliasdomain.twig
index 808d128e9..e2ecd4875 100644
--- a/data/web/templates/edit/aliasdomain.twig
+++ b/data/web/templates/edit/aliasdomain.twig
@@ -17,8 +17,8 @@
   </div>
   <div class="row mb-2">
     <div class="offset-sm-2 col-sm-10">
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
       </div>
     </div>
   </div>
diff --git a/data/web/templates/edit/app-passwd.twig b/data/web/templates/edit/app-passwd.twig
index fcd9d049c..46dc648db 100644
--- a/data/web/templates/edit/app-passwd.twig
+++ b/data/web/templates/edit/app-passwd.twig
@@ -26,8 +26,8 @@
   </div>
   <div class="row mb-2">
     <div class="offset-sm-2 col-sm-10">
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
       </div>
     </div>
   </div>
diff --git a/data/web/templates/edit/bcc.twig b/data/web/templates/edit/bcc.twig
index f7d0c5ca7..fb7a538a2 100644
--- a/data/web/templates/edit/bcc.twig
+++ b/data/web/templates/edit/bcc.twig
@@ -24,8 +24,8 @@
   </div>
   <div class="row mb-2">
     <div class="offset-sm-2 col-sm-10">
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
       </div>
     </div>
   </div>
diff --git a/data/web/templates/edit/domain-templates.twig b/data/web/templates/edit/domain-templates.twig
index 5a0cbb695..c58693b23 100644
--- a/data/web/templates/edit/domain-templates.twig
+++ b/data/web/templates/edit/domain-templates.twig
@@ -64,16 +64,16 @@
     </div>
     <div class="row">
       <div class="offset-sm-2 col-sm-10">
-        <div class="checkbox">
-          <label><input type="checkbox" value="1" name="gal"{% if template.attributes.gal == '1' %} checked{% endif %}> {{ lang.edit.gal }}</label>
+        <div class="form-check">
+          <label><input type="checkbox" class="form-check-input" value="1" name="gal"{% if template.attributes.gal == '1' %} checked{% endif %}> {{ lang.edit.gal }}</label>
           <small class="text-muted">{{ lang.edit.gal_info|raw }}</small>
         </div>
       </div>
     </div>
     <div class="row mb-2">
       <div class="offset-sm-2 col-sm-10">
-        <div class="checkbox">
-          <label><input type="checkbox" value="1" name="active"{% if template.attributes.active == '1' %} checked{% endif %}{% if mailcow_cc_role != 'admin' %} disabled{% endif %}> {{ lang.edit.active }}</label>
+        <div class="form-check">
+          <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if template.attributes.active == '1' %} checked{% endif %}{% if mailcow_cc_role != 'admin' %} disabled{% endif %}> {{ lang.edit.active }}</label>
         </div>
       </div>
     </div>
@@ -111,12 +111,12 @@
     <div class="row mb-2">
       <label class="control-label col-sm-2">{{ lang.edit.backup_mx_options }}</label>
       <div class="col-sm-10">
-        <div class="checkbox">
-          <label><input type="checkbox" value="1" name="backupmx"{% if template.attributes.backupmx == '1' %} checked{% endif %}> {{ lang.edit.relay_domain }}</label>
+        <div class="form-check">
+          <label><input type="checkbox" class="form-check-input" value="1" name="backupmx"{% if template.attributes.backupmx == '1' %} checked{% endif %}> {{ lang.edit.relay_domain }}</label>
           <br>
-          <label><input type="checkbox" value="1" name="relay_all_recipients"{% if template.attributes.relay_all_recipients == '1' %} checked{% endif %}> {{ lang.edit.relay_all }}</label>
+          <label><input type="checkbox" class="form-check-input" value="1" name="relay_all_recipients"{% if template.attributes.relay_all_recipients == '1' %} checked{% endif %}> {{ lang.edit.relay_all }}</label>
           <p>{{ lang.edit.relay_all_info|raw }}</p>
-          <label><input type="checkbox" value="1" name="relay_unknown_only"{% if template.attributes.relay_unknown_only == '1' %} checked{% endif %}> {{ lang.edit.relay_unknown_only }}</label>
+          <label><input type="checkbox" class="form-check-input" value="1" name="relay_unknown_only"{% if template.attributes.relay_unknown_only == '1' %} checked{% endif %}> {{ lang.edit.relay_unknown_only }}</label>
           <br>
           <p>{{ lang.edit.relay_transport_info|raw }}</p>
         </div>
diff --git a/data/web/templates/edit/domain.twig b/data/web/templates/edit/domain.twig
index 700445dd6..4ba25cf70 100644
--- a/data/web/templates/edit/domain.twig
+++ b/data/web/templates/edit/domain.twig
@@ -29,7 +29,7 @@
           <div class="form-control tag-box">
             {% for tag in domain_details.tags %}
               <span data-action='delete_selected' data-item="{{ tag|url_encode }}" data-id="domain_tag_{{ tag }}" data-api-url='delete/domain/tag/{{ domain }}' class="badge bg-primary tag-badge btn-badge">
-                <i class="bi bi-tag-fill"></i> 
+                <i class="bi bi-tag-fill"></i>
                 {{ tag }}
               </span>
             {% endfor %}
@@ -91,12 +91,12 @@
       <div class="row mb-2">
         <label class="control-label col-sm-2">{{ lang.edit.backup_mx_options }}</label>
         <div class="col-sm-10">
-          <div class="checkbox">
-            <label><input type="checkbox" value="1" name="backupmx"{% if result.backupmx == '1' %} checked{% endif %}> {{ lang.edit.relay_domain }}</label>
+          <div class="form-check">
+            <label><input type="checkbox" class="form-check-input" value="1" name="backupmx"{% if result.backupmx == '1' %} checked{% endif %}> {{ lang.edit.relay_domain }}</label>
             <br>
-            <label><input type="checkbox" value="1" name="relay_all_recipients"{% if result.relay_all_recipients == '1' %} checked{% endif %}> {{ lang.edit.relay_all }}</label>
+            <label><input type="checkbox" class="form-check-input" value="1" name="relay_all_recipients"{% if result.relay_all_recipients == '1' %} checked{% endif %}> {{ lang.edit.relay_all }}</label>
             <p>{{ lang.edit.relay_all_info|raw }}</p>
-            <label><input type="checkbox" value="1" name="relay_unknown_only"{% if result.relay_unknown_only == '1' %} checked{% endif %}> {{ lang.edit.relay_unknown_only }}</label>
+            <label><input type="checkbox" class="form-check-input" value="1" name="relay_unknown_only"{% if result.relay_unknown_only == '1' %} checked{% endif %}> {{ lang.edit.relay_unknown_only }}</label>
             <br>
             <p>{{ lang.edit.relay_transport_info|raw }}</p>
             <hr style="margin:25px 0px 0px 0px">
@@ -106,8 +106,8 @@
       {% endif %}
       <div class="row">
         <div class="offset-sm-2 col-sm-10">
-          <div class="checkbox">
-            <label><input type="checkbox" value="1" name="gal"{% if result.gal == '1' %} checked{% endif %}> {{ lang.edit.gal }}</label>
+          <div class="form-check">
+            <label><input type="checkbox" class="form-check-input" value="1" name="gal"{% if result.gal == '1' %} checked{% endif %}> {{ lang.edit.gal }}</label>
             <small class="text-muted">{{ lang.edit.gal_info|raw }}</small>
           </div>
         </div>
@@ -115,8 +115,8 @@
       <hr>
       <div class="row mb-2">
         <div class="offset-sm-2 col-sm-10">
-          <div class="checkbox">
-            <label><input type="checkbox" value="1" name="active"{% if result.active == '1' %} checked{% endif %}{% if mailcow_cc_role != 'admin' %} disabled{% endif %}> {{ lang.edit.active }}</label>
+          <div class="form-check">
+            <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if result.active == '1' %} checked{% endif %}{% if mailcow_cc_role != 'admin' %} disabled{% endif %}> {{ lang.edit.active }}</label>
           </div>
         </div>
       </div>
@@ -211,8 +211,8 @@
           </div>
           <div class="row mb-4">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active"{% if quota_notification_bcc.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if quota_notification_bcc.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
               </div>
             </div>
           </div>
diff --git a/data/web/templates/edit/domainadmin.twig b/data/web/templates/edit/domainadmin.twig
index d241fa535..2c40faaa3 100644
--- a/data/web/templates/edit/domainadmin.twig
+++ b/data/web/templates/edit/domainadmin.twig
@@ -40,15 +40,15 @@
   </div>
   <div class="row mb-2">
     <div class="offset-sm-2 col-sm-10">
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
       </div>
     </div>
   </div>
   <div class="row mb-2">
     <div class="offset-sm-2 col-sm-10">
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="disable_tfa"> {{ lang.tfa.disable_tfa }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="disable_tfa"> {{ lang.tfa.disable_tfa }}</label>
       </div>
     </div>
   </div>
diff --git a/data/web/templates/edit/filter.twig b/data/web/templates/edit/filter.twig
index ff4ac4ee7..124ecaf7b 100644
--- a/data/web/templates/edit/filter.twig
+++ b/data/web/templates/edit/filter.twig
@@ -28,8 +28,8 @@
   </div>
   <div class="row mb-2">
     <div class="offset-sm-2 col-sm-10">
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
       </div>
     </div>
   </div>
diff --git a/data/web/templates/edit/mailbox-templates.twig b/data/web/templates/edit/mailbox-templates.twig
index fea99bdd2..28f45b569 100644
--- a/data/web/templates/edit/mailbox-templates.twig
+++ b/data/web/templates/edit/mailbox-templates.twig
@@ -9,8 +9,8 @@
     <input type="hidden" value="default" name="sender_acl">
     <input type="hidden" value="0" name="force_pw_update">
     <input type="hidden" value="0" name="sogo_access">
-    <input type="hidden" value="0" name="protocol_access">     
-         
+    <input type="hidden" value="0" name="protocol_access">
+
     <div class="row mb-4">
       <label class="control-label col-sm-2" for="template">{{ lang.mailbox.template }}</label>
       <div class="col-sm-10">
@@ -61,10 +61,10 @@
         <div class="btn-group">
           <input type="radio" class="btn-check" name="quarantine_category" id="quarantine_category_reject" autocomplete="off" value="reject" {% if template.attributes.quarantine_category == 'reject' %}checked{% endif %}>
           <label class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-secondary" for="quarantine_category_reject">{{ lang.user.q_reject }}</label>
-          
+
           <input type="radio" class="btn-check" name="quarantine_category" id="quarantine_category_add_header" autocomplete="off" value="add_header" {% if template.attributes.quarantine_category == 'add_header' %}checked{% endif %}>
           <label class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-secondary" for="quarantine_category_add_header">{{ lang.user.q_add_header }}</label>
-          
+
           <input type="radio" class="btn-check" name="quarantine_category" id="quarantine_category_all" autocomplete="off" value="all" {% if template.attributes.quarantine_category == 'all' %}checked{% endif %}>
           <label class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-secondary" for="quarantine_category_all">{{ lang.user.q_all }}</label>
         </div>
@@ -77,7 +77,7 @@
         <div class="btn-group">
           <input type="checkbox" class="btn-check" name="tls_enforce_in" id="tls_enforce_in" autocomplete="off" value="1" {% if template.attributes.tls_enforce_in == '1' %}checked{% endif %}>
           <label class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-secondary" for="tls_enforce_in">{{ lang.user.tls_enforce_in }}</label>
-          
+
           <input type="checkbox" class="btn-check" name="tls_enforce_out" id="tls_enforce_out" autocomplete="off" value="1" {% if template.attributes.tls_enforce_out == '1' %}checked{% endif %}>
           <label class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-secondary" for="tls_enforce_out">{{ lang.user.tls_enforce_out }}</label>
         </div>
@@ -97,7 +97,7 @@
     <div class="row mb-4">
       <label class="control-label col-sm-2">ACL</label>
       <div class="col-sm-10">
-        <select id="template_user_acl" name="acl" size="10" multiple class="form-control">                  
+        <select id="template_user_acl" name="acl" size="10" multiple class="form-control">
           <option value="spam_alias" {% if template.attributes.acl_spam_alias == '1' %} selected{% endif %}>{{ lang.acl["spam_alias"] }}</option>
           <option value="tls_policy" {% if template.attributes.acl_tls_policy == '1' %} selected{% endif %}>{{ lang.acl["tls_policy"] }}</option>
           <option value="spam_score" {% if template.attributes.acl_spam_score == '1' %} selected{% endif %}>{{ lang.acl["spam_score"] }}</option>
@@ -140,8 +140,8 @@
     </div>
     <div class="row">
       <div class="offset-sm-2 col-sm-10">
-        <div class="checkbox">
-          <label><input type="checkbox" value="1" name="force_pw_update"{% if template.attributes.force_pw_update == '1' %} checked{% endif %}> {{ lang.edit.force_pw_update }}</label>
+        <div class="form-check">
+          <label><input type="checkbox" class="form-check-input" value="1" name="force_pw_update"{% if template.attributes.force_pw_update == '1' %} checked{% endif %}> {{ lang.edit.force_pw_update }}</label>
           <small class="text-muted">{{ lang.edit.force_pw_update_info|format(ui_texts.main_name) }}</small>
         </div>
       </div>
@@ -149,8 +149,8 @@
     {% if not skip_sogo %}
     <div class="row">
       <div class="offset-sm-2 col-sm-10">
-        <div class="checkbox">
-          <label><input type="checkbox" value="1" name="sogo_access"{% if template.attributes.sogo_access == '1' %} checked{% endif %}> {{ lang.edit.sogo_access }}</label>
+        <div class="form-check">
+          <label><input type="checkbox" class="form-check-input" value="1" name="sogo_access"{% if template.attributes.sogo_access == '1' %} checked{% endif %}> {{ lang.edit.sogo_access }}</label>
           <small class="text-muted">{{ lang.edit.sogo_access_info }}</small>
         </div>
       </div>
diff --git a/data/web/templates/edit/mailbox.twig b/data/web/templates/edit/mailbox.twig
index c08ff74f6..c020cb0ac 100644
--- a/data/web/templates/edit/mailbox.twig
+++ b/data/web/templates/edit/mailbox.twig
@@ -28,7 +28,7 @@
           <div class="form-control tag-box">
             {% for tag in mailbox_details.tags %}
               <span data-action='delete_selected' data-item="{{ tag }}" data-id="mailbox_tag_{{ tag }}" data-api-url='delete/mailbox/tag/{{ mailbox }}' class="badge bg-primary tag-badge btn-badge">
-                <i class="bi bi-tag-fill"></i> 
+                <i class="bi bi-tag-fill"></i>
                 {{ tag }}
               </span>
             {% endfor %}
@@ -236,8 +236,8 @@
       </div>
       <div class="row mt-2">
         <div class="offset-sm-2 col-sm-10">
-          <div class="checkbox">
-            <label><input type="checkbox" value="1" name="force_pw_update"{% if result.attributes.force_pw_update == '1' %} checked{% endif %}> {{ lang.edit.force_pw_update }}</label>
+          <div class="form-check">
+            <label><input type="checkbox" class="form-check-input" value="1" name="force_pw_update"{% if result.attributes.force_pw_update == '1' %} checked{% endif %}> {{ lang.edit.force_pw_update }}</label>
             <small class="text-muted">{{ lang.edit.force_pw_update_info|format(ui_texts.main_name) }}</small>
           </div>
         </div>
@@ -245,8 +245,8 @@
       {% if not skip_sogo %}
       <div data-acl="{{ acl.sogo_access }}" class="row">
         <div class="offset-sm-2 col-sm-10">
-          <div class="checkbox">
-            <label><input type="checkbox" value="1" name="sogo_access"{% if result.attributes.sogo_access == '1' %} checked{% endif %}> {{ lang.edit.sogo_access }}</label>
+          <div class="form-check">
+            <label><input type="checkbox" class="form-check-input" value="1" name="sogo_access"{% if result.attributes.sogo_access == '1' %} checked{% endif %}> {{ lang.edit.sogo_access }}</label>
             <small class="text-muted">{{ lang.edit.sogo_access_info }}</small>
           </div>
         </div>
@@ -329,8 +329,8 @@
                 </div>
               </div>
               <div class="col-sm-12">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active"{% if pushover_data.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if pushover_data.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
               </div>
             </div>
             <div class="col-sm-12">
@@ -343,11 +343,11 @@
               <div id="po_advanced" class="collapse">
                 <label for="text">{{ lang.edit.pushover_sender_regex }}</label>
                 <input type="text" class="form-control mt-2" name="senders_regex" value="{{ pushover_data.senders_regex }}" placeholder="/(.*@example\.org$|^foo@example\.com$)/i" regex="true">
-                <div class="checkbox mt-4">
-                  <label><input type="checkbox" value="1" name="evaluate_x_prio"{% if pushover_data.attributes.evaluate_x_prio == '1' %} checked{% endif %}> {{ lang.edit.pushover_evaluate_x_prio|raw }}</label>
+                <div class="form-check mt-4">
+                  <label><input type="checkbox" class="form-check-input" value="1" name="evaluate_x_prio"{% if pushover_data.attributes.evaluate_x_prio == '1' %} checked{% endif %}> {{ lang.edit.pushover_evaluate_x_prio|raw }}</label>
                 </div>
-                <div class="checkbox mt-2">
-                  <label><input type="checkbox" value="1" name="only_x_prio"{% if pushover_data.attributes.only_x_prio == '1' %} checked{% endif %}> {{ lang.edit.pushover_only_x_prio|raw }}</label>
+                <div class="form-check mt-2">
+                  <label><input type="checkbox" class="form-check-input" value="1" name="only_x_prio"{% if pushover_data.attributes.only_x_prio == '1' %} checked{% endif %}> {{ lang.edit.pushover_only_x_prio|raw }}</label>
                 </div>
               </div>
             </div>
diff --git a/data/web/templates/edit/recipient_map.twig b/data/web/templates/edit/recipient_map.twig
index 9af30a3b9..c7f3493c8 100644
--- a/data/web/templates/edit/recipient_map.twig
+++ b/data/web/templates/edit/recipient_map.twig
@@ -22,8 +22,8 @@
   </div>
   <div class="row mb-2">
     <div class="offset-sm-2 col-sm-10">
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
       </div>
     </div>
   </div>
diff --git a/data/web/templates/edit/relayhost.twig b/data/web/templates/edit/relayhost.twig
index c66898168..31871707f 100644
--- a/data/web/templates/edit/relayhost.twig
+++ b/data/web/templates/edit/relayhost.twig
@@ -26,8 +26,8 @@
   </div>
   <div class="row mb-2">
     <div class="offset-sm-2 col-sm-10">
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
       </div>
     </div>
   </div>
diff --git a/data/web/templates/edit/resource.twig b/data/web/templates/edit/resource.twig
index 4ba65bd26..7fdc556e6 100644
--- a/data/web/templates/edit/resource.twig
+++ b/data/web/templates/edit/resource.twig
@@ -38,8 +38,8 @@
   </div>
   <div class="row mb-2">
     <div class="offset-sm-2 col-sm-10">
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
       </div>
     </div>
   </div>
diff --git a/data/web/templates/edit/syncjob.twig b/data/web/templates/edit/syncjob.twig
index d2172e647..40ae00fc2 100644
--- a/data/web/templates/edit/syncjob.twig
+++ b/data/web/templates/edit/syncjob.twig
@@ -101,50 +101,50 @@
     </div>
     <div class="row mb-2">
       <div class="offset-sm-2 col-sm-10">
-        <div class="checkbox">
-          <label><input type="checkbox" value="1" name="delete2duplicates"{% if result.delete2duplicates == '1' %} checked{% endif %}> {{ lang.edit.delete2duplicates }} (--delete2duplicates)</label>
+        <div class="form-check">
+          <label><input type="checkbox" class="form-check-input" value="1" name="delete2duplicates"{% if result.delete2duplicates == '1' %} checked{% endif %}> {{ lang.edit.delete2duplicates }} (--delete2duplicates)</label>
         </div>
       </div>
     </div>
     <div class="row mb-2">
       <div class="offset-sm-2 col-sm-10">
-        <div class="checkbox">
-          <label><input type="checkbox" value="1" name="delete1"{% if result.delete1 == '1' %} checked{% endif %}> {{ lang.edit.delete1 }} (--delete1)</label>
+        <div class="form-check">
+          <label><input type="checkbox" class="form-check-input" value="1" name="delete1"{% if result.delete1 == '1' %} checked{% endif %}> {{ lang.edit.delete1 }} (--delete1)</label>
         </div>
       </div>
     </div>
     <div class="row mb-2">
       <div class="offset-sm-2 col-sm-10">
-        <div class="checkbox">
-          <label><input type="checkbox" value="1" name="delete2"{% if result.delete2 == '1' %} checked{% endif %}> {{ lang.edit.delete2 }} (--delete2)</label>
+        <div class="form-check">
+          <label><input type="checkbox" class="form-check-input" value="1" name="delete2"{% if result.delete2 == '1' %} checked{% endif %}> {{ lang.edit.delete2 }} (--delete2)</label>
         </div>
       </div>
     </div>
     <div class="row mb-2">
       <div class="offset-sm-2 col-sm-10">
-        <div class="checkbox">
-          <label><input type="checkbox" value="1" name="automap"{% if result.automap == '1' %} checked{% endif %}> {{ lang.edit.automap }} (--automap)</label>
+        <div class="form-check">
+          <label><input type="checkbox" class="form-check-input" value="1" name="automap"{% if result.automap == '1' %} checked{% endif %}> {{ lang.edit.automap }} (--automap)</label>
         </div>
       </div>
     </div>
     <div class="row mb-2">
       <div class="offset-sm-2 col-sm-10">
-        <div class="checkbox">
-          <label><input type="checkbox" value="1" name="skipcrossduplicates"{% if result.skipcrossduplicates == '1' %} checked{% endif %}> {{ lang.edit.skipcrossduplicates }} (--skipcrossduplicates)</label>
+        <div class="form-check">
+          <label><input type="checkbox" class="form-check-input" value="1" name="skipcrossduplicates"{% if result.skipcrossduplicates == '1' %} checked{% endif %}> {{ lang.edit.skipcrossduplicates }} (--skipcrossduplicates)</label>
         </div>
       </div>
     </div>
     <div class="row mb-2">
       <div class="offset-sm-2 col-sm-10">
-        <div class="checkbox">
-          <label><input type="checkbox" value="1" name="subscribeall"{% if result.subscribeall == '1' %} checked{% endif %}> {{ lang.add.subscribeall }} (--subscribeall)</label>
+        <div class="form-check">
+          <label><input type="checkbox" class="form-check-input" value="1" name="subscribeall"{% if result.subscribeall == '1' %} checked{% endif %}> {{ lang.add.subscribeall }} (--subscribeall)</label>
         </div>
       </div>
     </div>
     <div class="row mb-4">
       <div class="offset-sm-2 col-sm-10">
-        <div class="checkbox">
-          <label><input type="checkbox" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
+        <div class="form-check">
+          <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
         </div>
       </div>
     </div>
diff --git a/data/web/templates/edit/tls_policy_map.twig b/data/web/templates/edit/tls_policy_map.twig
index 199bbfef4..aa89575b8 100644
--- a/data/web/templates/edit/tls_policy_map.twig
+++ b/data/web/templates/edit/tls_policy_map.twig
@@ -32,8 +32,8 @@
   </div>
   <div class="row mb-2">
     <div class="offset-sm-2 col-sm-10">
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
       </div>
     </div>
   </div>
diff --git a/data/web/templates/edit/transport.twig b/data/web/templates/edit/transport.twig
index 2fc461f6f..4aedb53dd 100644
--- a/data/web/templates/edit/transport.twig
+++ b/data/web/templates/edit/transport.twig
@@ -32,15 +32,15 @@
   </div>
   <div class="row mb-2">
     <div class="offset-sm-2 col-sm-10">
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="is_mx_based"{% if result.is_mx_based == '1' %} checked{% endif %}> {{ lang.edit.lookup_mx|raw }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="is_mx_based"{% if result.is_mx_based == '1' %} checked{% endif %}> {{ lang.edit.lookup_mx|raw }}</label>
       </div>
     </div>
   </div>
   <div class="row mb-2">
     <div class="offset-sm-2 col-sm-10">
-      <div class="checkbox">
-        <label><input type="checkbox" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
+      <div class="form-check">
+        <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if result.active == '1' %} checked{% endif %}> {{ lang.edit.active }}</label>
       </div>
     </div>
   </div>
diff --git a/data/web/templates/modals/admin.twig b/data/web/templates/modals/admin.twig
index 15971e593..2271ca7f5 100644
--- a/data/web/templates/modals/admin.twig
+++ b/data/web/templates/modals/admin.twig
@@ -22,8 +22,8 @@
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active" checked> {{ lang.admin.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active" checked> {{ lang.admin.active }}</label>
               </div>
             </div>
           </div>
@@ -81,8 +81,8 @@
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active" checked> {{ lang.admin.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active" checked> {{ lang.admin.active }}</label>
               </div>
             </div>
           </div>
@@ -181,8 +181,8 @@
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active" checked> {{ lang.admin.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active" checked> {{ lang.admin.active }}</label>
               </div>
             </div>
           </div>
diff --git a/data/web/templates/modals/mailbox.twig b/data/web/templates/modals/mailbox.twig
index 44ba149fd..e59d630ae 100644
--- a/data/web/templates/modals/mailbox.twig
+++ b/data/web/templates/modals/mailbox.twig
@@ -98,10 +98,10 @@
               <div class="btn-group">
                 <input type="radio" class="btn-check" name="quarantine_category" id="quarantine_category_reject" autocomplete="off" value="reject">
                 <label class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light" for="quarantine_category_reject">{{ lang.user.q_reject }}</label>
-                
+
                 <input type="radio" class="btn-check" name="quarantine_category" id="quarantine_category_add_header" autocomplete="off" value="add_header">
                 <label class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light" for="quarantine_category_add_header">{{ lang.user.q_add_header }}</label>
-                
+
                 <input type="radio" class="btn-check" name="quarantine_category" id="quarantine_category_all" autocomplete="off" value="all">
                 <label class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light" for="quarantine_category_all">{{ lang.user.q_all }}</label>
               </div>
@@ -114,7 +114,7 @@
               <div class="btn-group">
                 <input type="checkbox" class="btn-check" name="tls_enforce_in" id="tls_enforce_in" autocomplete="off" value="1">
                 <label class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light" for="tls_enforce_in">{{ lang.user.tls_enforce_in }}</label>
-                
+
                 <input type="checkbox" class="btn-check" name="tls_enforce_out" id="tls_enforce_out" autocomplete="off" value="1">
                 <label class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light" for="tls_enforce_out">{{ lang.user.tls_enforce_out }}</label>
               </div>
@@ -176,8 +176,8 @@
           </div>
           <div class="row">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="force_pw_update" id="force_pw_update"> {{ lang.edit.force_pw_update }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="force_pw_update" id="force_pw_update"> {{ lang.edit.force_pw_update }}</label>
                 <small class="text-muted">{{ lang.edit.force_pw_update_info|format(ui_texts.main_name) }}</small>
               </div>
             </div>
@@ -185,8 +185,8 @@
           {% if not skip_sogo %}
           <div class="row">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="sogo_access" id="sogo_access"> {{ lang.edit.sogo_access }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="sogo_access" id="sogo_access"> {{ lang.edit.sogo_access }}</label>
                 <small class="text-muted">{{ lang.edit.sogo_access_info }}</small>
               </div>
             </div>
@@ -216,7 +216,7 @@
           <input type="hidden" value="default" name="sender_acl">
           <input type="hidden" value="0" name="force_pw_update">
           <input type="hidden" value="0" name="sogo_access">
-          <input type="hidden" value="0" name="protocol_access">     
+          <input type="hidden" value="0" name="protocol_access">
 
           <div class="row mb-4">
             <label class="control-label col-sm-2 text-sm-end text-sm-end" for="template">{{ lang.mailbox.template }}</label>
@@ -268,10 +268,10 @@
               <div class="btn-group">
                 <input type="radio" class="btn-check" name="quarantine_category" id="template_quarantine_category_reject" autocomplete="off" value="reject" >
                 <label class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light" for="template_quarantine_category_reject">{{ lang.user.q_reject }}</label>
-                
+
                 <input type="radio" class="btn-check" name="quarantine_category" id="template_quarantine_category_add_header" autocomplete="off" value="add_header">
                 <label class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light" for="template_quarantine_category_add_header">{{ lang.user.q_add_header }}</label>
-                
+
                 <input type="radio" class="btn-check" name="quarantine_category" id="template_quarantine_category_all" autocomplete="off" value="all">
                 <label class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light" for="template_quarantine_category_all">{{ lang.user.q_all }}</label>
               </div>
@@ -284,7 +284,7 @@
               <div class="btn-group">
                 <input type="checkbox" class="btn-check" name="tls_enforce_in" id="template_tls_enforce_in" autocomplete="off" value="1">
                 <label class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light" for="template_tls_enforce_in">{{ lang.user.tls_enforce_in }}</label>
-                
+
                 <input type="checkbox" class="btn-check" name="tls_enforce_out" id="template_tls_enforce_out" autocomplete="off" value="1">
                 <label class="btn btn-sm btn-xs-quart d-block d-sm-inline btn-light" for="template_tls_enforce_out">{{ lang.user.tls_enforce_out }}</label>
               </div>
@@ -304,7 +304,7 @@
           <div class="row mb-4">
             <label class="control-label col-sm-2 text-sm-end text-sm-end">ACL</label>
             <div class="col-sm-10">
-              <select id="template_user_acl" name="acl" size="10" multiple class="form-control">                  
+              <select id="template_user_acl" name="acl" size="10" multiple class="form-control">
                 <option value="spam_alias" selected>{{ lang.acl["spam_alias"] }}</option>
                 <option value="tls_policy" selected>{{ lang.acl["tls_policy"] }}</option>
                 <option value="spam_score" selected>{{ lang.acl["spam_score"] }}</option>
@@ -347,8 +347,8 @@
           </div>
           <div class="row">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="force_pw_update"> {{ lang.edit.force_pw_update }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="force_pw_update"> {{ lang.edit.force_pw_update }}</label>
                 <small class="text-muted">{{ lang.edit.force_pw_update_info|format(ui_texts.main_name) }}</small>
               </div>
             </div>
@@ -356,8 +356,8 @@
           {% if not skip_sogo %}
           <div class="row">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="sogo_access"> {{ lang.edit.sogo_access }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="sogo_access"> {{ lang.edit.sogo_access }}</label>
                 <small class="text-muted">{{ lang.edit.sogo_access_info }}</small>
               </div>
             </div>
@@ -445,8 +445,8 @@
           {% if not skip_sogo %}
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" id="addDomain_gal" value="1" name="gal" checked> {{ lang.edit.gal }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" id="addDomain_gal" value="1" name="gal" checked> {{ lang.edit.gal }}</label>
                 <small class="text-muted">{{ lang.edit.gal_info|raw }}</small>
               </div>
             </div>
@@ -454,8 +454,8 @@
           {% endif %}
           <div class="row mb-4">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" id="addDomain_active" value="1" name="active" checked> {{ lang.add.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" id="addDomain_active" value="1" name="active" checked> {{ lang.add.active }}</label>
               </div>
             </div>
           </div>
@@ -491,12 +491,12 @@
           <div class="row mb-4">
             <label class="control-label col-sm-2 text-sm-end text-sm-end">{{ lang.add.backup_mx_options }}</label>
             <div class="col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" id="addDomain_relay_domain" value="1" name="backupmx"> {{ lang.add.relay_domain }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" id="addDomain_relay_domain" value="1" name="backupmx"> {{ lang.add.relay_domain }}</label>
                 <br>
-                <label><input type="checkbox" id="addDomain_relay_all" value="1" name="relay_all_recipients"> {{ lang.add.relay_all }}</label>
+                <label><input type="checkbox" class="form-check-input" id="addDomain_relay_all" value="1" name="relay_all_recipients"> {{ lang.add.relay_all }}</label>
                 <p>{{ lang.add.relay_all_info|raw }}</p>
-                <label><input type="checkbox" id="addDomain_relay_unknown_only" value="1" name="relay_unknown_only"> {{ lang.add.relay_unknown_only }}</label>
+                <label><input type="checkbox" class="form-check-input" id="addDomain_relay_unknown_only" value="1" name="relay_unknown_only"> {{ lang.add.relay_unknown_only }}</label>
                 <br>
                 <p>{{ lang.add.relay_transport_info|raw }}</p>
               </div>
@@ -584,16 +584,16 @@
           </div>
           <div class="row">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="gal" checked> {{ lang.add.gal }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="gal" checked> {{ lang.add.gal }}</label>
                 <small class="text-muted">{{ lang.add.gal_info|raw }}</small>
               </div>
             </div>
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active" checked> {{ lang.add.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active" checked> {{ lang.add.active }}</label>
               </div>
             </div>
           </div>
@@ -633,12 +633,12 @@
           <div class="row mb-2">
             <label class="control-label col-sm-2 text-sm-end text-sm-end">{{ lang.edit.backup_mx_options }}</label>
             <div class="col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="backupmx"> {{ lang.edit.relay_domain }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="backupmx"> {{ lang.edit.relay_domain }}</label>
                 <br>
-                <label><input type="checkbox" value="1" name="relay_all_recipients"> {{ lang.edit.relay_all }}</label>
+                <label><input type="checkbox" class="form-check-input" value="1" name="relay_all_recipients"> {{ lang.edit.relay_all }}</label>
                 <p>{{ lang.edit.relay_all_info|raw }}</p>
-                <label><input type="checkbox" value="1" name="relay_unknown_only"> {{ lang.edit.relay_unknown_only }}</label>
+                <label><input type="checkbox" class="form-check-input" value="1" name="relay_unknown_only"> {{ lang.edit.relay_unknown_only }}</label>
                 <br>
                 <p>{{ lang.edit.relay_transport_info|raw }}</p>
               </div>
@@ -708,8 +708,8 @@
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active" checked> {{ lang.add.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active" checked> {{ lang.add.active }}</label>
               </div>
             </div>
           </div>
@@ -746,19 +746,19 @@
             <div class="col-sm-10">
               <textarea id="textarea_alias_goto" autocorrect="off" autocapitalize="none" class="form-control" rows="5" id="goto" name="goto" required></textarea>
               <p>{{ lang.add.target_address_info|raw }}</p>
-              <div class="checkbox">
-                <label><input class="goto_checkbox" type="checkbox" value="1" name="goto_null"> {{ lang.add.goto_null }}</label>
+              <div class="form-check">
+                <label><input class="form-check-input goto_checkbox" type="checkbox" value="1" name="goto_null"> {{ lang.add.goto_null }}</label>
               </div>
-              <div class="checkbox">
-                <label><input class="goto_checkbox" type="checkbox" value="1" name="goto_spam"> {{ lang.add.goto_spam|raw }}</label>
+              <div class="form-check">
+                <label><input class="form-check-input goto_checkbox" type="checkbox" value="1" name="goto_spam"> {{ lang.add.goto_spam|raw }}</label>
               </div>
-              <div class="checkbox">
-                <label><input class="goto_checkbox" type="checkbox" value="1" name="goto_ham"> {{ lang.add.goto_ham|raw }}</label>
+              <div class="form-check">
+                <label><input class="form-check-input goto_checkbox" type="checkbox" value="1" name="goto_ham"> {{ lang.add.goto_ham|raw }}</label>
               </div>
               {% if not skip_sogo %}
               <hr>
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="sogo_visible" checked> {{ lang.edit.sogo_visible }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="sogo_visible" checked> {{ lang.edit.sogo_visible }}</label>
               </div>
               <p class="text-muted">{{ lang.edit.sogo_visible_info }}</p>
               {% endif %}
@@ -766,8 +766,8 @@
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active" checked> {{ lang.add.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active" checked> {{ lang.add.active }}</label>
               </div>
             </div>
           </div>
@@ -811,8 +811,8 @@
           </div>
           <div class="row mb-4">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active" checked> {{ lang.add.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active" checked> {{ lang.add.active }}</label>
               </div>
             </div>
           </div>
@@ -967,50 +967,50 @@
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="delete2duplicates" checked> {{ lang.add.delete2duplicates }} (--delete2duplicates)</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="delete2duplicates" checked> {{ lang.add.delete2duplicates }} (--delete2duplicates)</label>
               </div>
             </div>
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="delete1"> {{ lang.add.delete1 }} (--delete1)</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="delete1"> {{ lang.add.delete1 }} (--delete1)</label>
               </div>
             </div>
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="delete2"> {{ lang.add.delete2 }} (--delete2)</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="delete2"> {{ lang.add.delete2 }} (--delete2)</label>
               </div>
             </div>
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="automap" checked> {{ lang.add.automap }} (--automap)</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="automap" checked> {{ lang.add.automap }} (--automap)</label>
               </div>
             </div>
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="skipcrossduplicates"> {{ lang.add.skipcrossduplicates }} (--skipcrossduplicates)</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="skipcrossduplicates"> {{ lang.add.skipcrossduplicates }} (--skipcrossduplicates)</label>
               </div>
             </div>
           </div>
           <div class="row mb-4">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="subscribeall" checked> {{ lang.add.subscribeall }} (--subscribeall)</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="subscribeall" checked> {{ lang.add.subscribeall }} (--subscribeall)</label>
               </div>
             </div>
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active" checked> {{ lang.add.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active" checked> {{ lang.add.active }}</label>
               </div>
             </div>
           </div>
@@ -1068,8 +1068,8 @@
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active" checked> {{ lang.add.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active" checked> {{ lang.add.active }}</label>
               </div>
             </div>
           </div>
@@ -1121,8 +1121,8 @@
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active" checked> {{ lang.add.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active" checked> {{ lang.add.active }}</label>
               </div>
             </div>
           </div>
@@ -1162,8 +1162,8 @@
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active" checked> {{ lang.add.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active" checked> {{ lang.add.active }}</label>
               </div>
             </div>
           </div>
@@ -1218,8 +1218,8 @@
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active" checked> {{ lang.add.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active" checked> {{ lang.add.active }}</label>
               </div>
             </div>
           </div>
diff --git a/data/web/templates/modals/user.twig b/data/web/templates/modals/user.twig
index 8c96397f6..96605f709 100644
--- a/data/web/templates/modals/user.twig
+++ b/data/web/templates/modals/user.twig
@@ -127,50 +127,50 @@
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="delete2duplicates" checked> {{ lang.add.delete2duplicates }} (--delete2duplicates)</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="delete2duplicates" checked> {{ lang.add.delete2duplicates }} (--delete2duplicates)</label>
               </div>
             </div>
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="delete1"> {{ lang.add.delete1 }} (--delete1)</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="delete1"> {{ lang.add.delete1 }} (--delete1)</label>
               </div>
             </div>
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="delete2"> {{ lang.add.delete2 }} (--delete2)</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="delete2"> {{ lang.add.delete2 }} (--delete2)</label>
               </div>
             </div>
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="automap" checked> {{ lang.add.automap }} (--automap)</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="automap" checked> {{ lang.add.automap }} (--automap)</label>
               </div>
             </div>
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="skipcrossduplicates"> {{ lang.add.skipcrossduplicates }} (--skipcrossduplicates)</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="skipcrossduplicates"> {{ lang.add.skipcrossduplicates }} (--skipcrossduplicates)</label>
               </div>
             </div>
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="subscribeall" checked> {{ lang.add.subscribeall }} (--subscribeall)</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="subscribeall" checked> {{ lang.add.subscribeall }} (--subscribeall)</label>
               </div>
             </div>
           </div>
           <div class="row mb-4">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active" checked> {{ lang.add.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active" checked> {{ lang.add.active }}</label>
               </div>
             </div>
           </div>
@@ -228,8 +228,8 @@
           </div>
           <div class="row mb-2">
             <div class="offset-sm-2 col-sm-10">
-              <div class="checkbox">
-                <label><input type="checkbox" value="1" name="active" checked> {{ lang.add.active }}</label>
+              <div class="form-check">
+                <label><input type="checkbox" class="form-check-input" value="1" name="active" checked> {{ lang.add.active }}</label>
               </div>
             </div>
           </div>
diff --git a/data/web/templates/user/Pushover.twig b/data/web/templates/user/Pushover.twig
index 61c91ea6a..acc019cab 100644
--- a/data/web/templates/user/Pushover.twig
+++ b/data/web/templates/user/Pushover.twig
@@ -80,8 +80,8 @@
               </div>
             </div>
             <div class="col-sm-12">
-                <div class="checkbox">
-                  <label><input type="checkbox" value="1" name="active"{% if pushover_data.active == '1' %} checked{% endif %}> {{ lang.user.active }}</label>
+                <div class="form-check">
+                  <label><input type="checkbox" class="form-check-input" value="1" name="active"{% if pushover_data.active == '1' %} checked{% endif %}> {{ lang.user.active }}</label>
                 </div>
               </div>
               <div class="col-sm-12">
@@ -95,11 +95,11 @@
                   <div class="form-group">
                     <label for="text">{{ lang.user.pushover_sender_regex }}</label>
                     <input type="text" class="form-control mb-4" name="senders_regex" value="{{ pushover_data.senders_regex }}" placeholder="/(.*@example\.org$|^foo@example\.com$)/i" regex="true">
-                    <div class="checkbox">
-                      <label><input type="checkbox" value="1" name="evaluate_x_prio"{% if pushover_data.attributes.evaluate_x_prio == '1' %} checked{% endif %}> {{ lang.user.pushover_evaluate_x_prio|raw }}</label>
+                    <div class="form-check">
+                      <label><input type="checkbox" class="form-check-input" value="1" name="evaluate_x_prio"{% if pushover_data.attributes.evaluate_x_prio == '1' %} checked{% endif %}> {{ lang.user.pushover_evaluate_x_prio|raw }}</label>
                     </div>
-                    <div class="checkbox">
-                      <label><input type="checkbox" value="1" name="only_x_prio"{% if pushover_data.attributes.only_x_prio == '1' %} checked{% endif %}> {{ lang.user.pushover_only_x_prio|raw }}</label>
+                    <div class="form-check">
+                      <label><input type="checkbox" class="form-check-input" value="1" name="only_x_prio"{% if pushover_data.attributes.only_x_prio == '1' %} checked{% endif %}> {{ lang.user.pushover_only_x_prio|raw }}</label>
                     </div>
                   </div>
                 </div>