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Code Issues Releases Wiki Activity

Add MTA-STS support for alias domains (#6972)

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* Initial plan

* Add MTA-STS support for alias domains

Co-authored-by: DerLinkman <62480600+DerLinkman@users.noreply.github.com>

* Improve domain normalization and code style in mta-sts.php

Co-authored-by: DerLinkman <62480600+DerLinkman@users.noreply.github.com>

* Add error handling for idn_to_ascii in mta-sts.php

Co-authored-by: DerLinkman <62480600+DerLinkman@users.noreply.github.com>

* Add database error handling for alias domain query

Co-authored-by: DerLinkman <62480600+DerLinkman@users.noreply.github.com>

* Add ACME certificate support for MTA-STS on alias domains

Query alias_domain table to find aliases with MTA-STS enabled target domains and request certificates for mta-sts.<alias-domain> subdomains.

Co-authored-by: DerLinkman <62480600+DerLinkman@users.noreply.github.com>

* compose: bump image tag to 1.95

* Add MTA-STS DNS records display for alias domains in UI

When viewing an alias domain's DNS diagnostics, check if the target domain has MTA-STS enabled and display the required DNS records for the alias domain.

Co-authored-by: DerLinkman <62480600+DerLinkman@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: DerLinkman <62480600+DerLinkman@users.noreply.github.com>
Co-authored-by: DerLinkman <niklas.meyer@servercow.de>
This commit is contained in:
Copilot
2025-12-15 16:29:21 +01:00
committed by GitHub
parent 1fe4cd03e9
commit 038b2efb75
4 changed files with 54 additions and 3 deletions
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11
data/web/inc/ajax/dns_diagnostics.php
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@@ -129,7 +129,16 @@ if (isset($_SESSION['mailcow_cc_role']) && ($_SESSION['mailcow_cc_role'] == "adm
);
}
$mta_sts = mailbox('get', 'mta_sts', $domain);
// Check if domain is an alias domain and get target domain's MTA-STS
$alias_domain_details = mailbox('get', 'alias_domain_details', $domain);
$mta_sts_domain = $domain;
if ($alias_domain_details !== false && !empty($alias_domain_details['target_domain'])) {
// This is an alias domain, check target domain for MTA-STS
$mta_sts_domain = $alias_domain_details['target_domain'];
}
$mta_sts = mailbox('get', 'mta_sts', $mta_sts_domain);
if (count($mta_sts) > 0 && $mta_sts['active'] == 1) {
if (!in_array($domain, $alias_domains)) {
$records[] = array(