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https://github.com/mailcow/mailcow-dockerized.git
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038b2efb75
* 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>
55 lines
1.5 KiB
PHP
55 lines
1.5 KiB
PHP
<?php
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require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/prerequisites.inc.php';
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if (!isset($_SERVER['HTTP_HOST']) || strpos($_SERVER['HTTP_HOST'], 'mta-sts.') !== 0) {
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http_response_code(404);
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exit;
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}
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$host = preg_replace('/:[0-9]+$/', '', $_SERVER['HTTP_HOST']);
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$domain = idn_to_ascii(strtolower(str_replace('mta-sts.', '', $host)), 0, INTL_IDNA_VARIANT_UTS46);
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// Validate domain or return 404 on error
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if ($domain === false || empty($domain)) {
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http_response_code(404);
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exit;
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}
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// Check if domain is an alias domain and resolve to target domain
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try {
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$stmt = $pdo->prepare("SELECT `target_domain` FROM `alias_domain` WHERE `alias_domain` = :domain");
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$stmt->execute(array(':domain' => $domain));
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$alias_row = $stmt->fetch(PDO::FETCH_ASSOC);
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if ($alias_row !== false && !empty($alias_row['target_domain'])) {
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// This is an alias domain, use the target domain for MTA-STS lookup
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$domain = $alias_row['target_domain'];
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}
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} catch (PDOException $e) {
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// On database error, return 404
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http_response_code(404);
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exit;
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}
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$mta_sts = mailbox('get', 'mta_sts', $domain);
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if (count($mta_sts) == 0 ||
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!isset($mta_sts['version']) ||
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!isset($mta_sts['mode']) ||
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!isset($mta_sts['max_age']) ||
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!isset($mta_sts['mx']) ||
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$mta_sts['active'] != 1) {
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http_response_code(404);
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exit;
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}
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header('Content-Type: text/plain; charset=utf-8');
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echo "version: {$mta_sts['version']}\n";
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echo "mode: {$mta_sts['mode']}\n";
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echo "max_age: {$mta_sts['max_age']}\n";
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foreach ($mta_sts['mx'] as $mx) {
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echo "mx: {$mx}\n";
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}
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?>
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