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Switch to postmark+smtp transport to avoid header restrictions

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Postmark's API transport rejects headers like Return-Path that Drupal adds
automatically. The SMTP relay is more permissive and avoids this class of
rejection entirely.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Philip Peterson 2026-06-05 00:39:28 -07:00
parent bc8559a3c7
commit 7716e7e26e
1 changed files with 1 additions and 1 deletions
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2
web/sites/default/settings.php
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@ -30,7 +30,7 @@ if ($is_dev) {
} }
$config['system.mail']['interface']['default'] = 'symfony_mailer'; $config['system.mail']['interface']['default'] = 'symfony_mailer';
$config['system.mail']['mailer_dsn'] = [ $config['system.mail']['mailer_dsn'] = [
'scheme' => 'postmark+api', 'scheme' => 'postmark+smtp',
'host' => 'default', 'host' => 'default',
'user' => $postmark_key, 'user' => $postmark_key,
'password' => NULL, 'password' => NULL,