[Web][Postfix] Add mail policies: per-recipient send/receive rules for mailboxes and groups

data/Dockerfiles/postfix/postfix.sh

@@ -15,6 +15,21 @@ until dig +short mailcow.email > /dev/null; do
   sleep 1
 done
 
+# Wait for updated schema (DB_VERSION from docker-compose.yml), the maps read tables the init_db of php-fpm creates on updates
+DBV_NOW=$(mariadb --ssl=false --socket=/var/run/mysqld/mysqld.sock -u ${DBUSER} -p${DBPASS} ${DBNAME} -e "SELECT version FROM versions WHERE application = 'db_schema';" -BN 2>/dev/null)
+DBV_WAIT=0
+while [[ "${DBV_NOW}" != "${DB_VERSION}" ]] && [[ ${DBV_WAIT} -lt 60 ]]; do
+  echo "Waiting for schema update..."
+  sleep 5
+  DBV_WAIT=$((DBV_WAIT + 1))
+  DBV_NOW=$(mariadb --ssl=false --socket=/var/run/mysqld/mysqld.sock -u ${DBUSER} -p${DBPASS} ${DBNAME} -e "SELECT version FROM versions WHERE application = 'db_schema';" -BN 2>/dev/null)
+done
+if [[ "${DBV_NOW}" != "${DB_VERSION}" ]]; then
+  echo -e "\e[31mDB schema is ${DBV_NOW}, expected ${DB_VERSION} - starting anyway, check the php-fpm log (init_db)\e[0m"
+else
+  echo "DB schema is ${DBV_NOW}"
+fi
+
 cat <<EOF > /etc/aliases
 # Autogenerated by mailcow
 null: /dev/null
@@ -224,6 +239,20 @@ query = SELECT CONCAT_WS(':', username, password) AS auth_data FROM transports
   LIMIT 1;
 EOF
 
+# Mail policies: while policies or internal aliases exist, smtpd asks the policy service (mailcow_mail_policy in main.cf)
+cat <<EOF > /opt/postfix/conf/sql/mysql_mail_policy_maps.cf
+# Autogenerated by mailcow
+user = ${DBUSER}
+password = ${DBPASS}
+hosts = unix:/var/run/mysqld/mysqld.sock
+dbname = ${DBNAME}
+query = SELECT 'mailcow_mail_policy' FROM mail_policy_member
+  JOIN mail_policy ON mail_policy.id = mail_policy_member.policy_id
+  WHERE mail_policy.active = '1' AND '%s' != ''
+  UNION SELECT 'mailcow_mail_policy' FROM alias WHERE internal = '1' AND active = '1'
+  LIMIT 1;
+EOF
+
 cat <<EOF > /opt/postfix/conf/sql/mysql_virtual_alias_domain_maps.cf
 # Autogenerated by mailcow
 user = ${DBUSER}