TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
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+.. include:: /Includes.rst.txt
+
+.. _feature-94544:
+
+=====================================================
+Feature: #94544 - Add new SMTP configuration settings
+=====================================================
+
+See :issue:`94544`
+
+Description
+===========
+
+A few more SMTP options are now supported by TYPO3 and can be set in the Install Tool:
+
+`transport_smtp_restart_threshold`
+    Sets the maximum number of messages to send before re-starting the transport.
+
+`transport_smtp_restart_threshold_sleep`
+    The number of seconds to sleep between stopping and re-starting the transport
+
+`transport_smtp_ping_threshold`
+    Sets the minimum number of seconds required between two messages, before the server is pinged. If
+    the transport wants to send a message and the time since the last message exceeds the specified
+    threshold, the transport will ping the server first (NOOP command) to check if the connection is
+    still alive. Otherwise the message will be sent without pinging the server first.
+
+Do not set the threshold too low, as the SMTP server may drop the connection if there are too many
+non-mail commands (like pinging the server with NOOP).
+
+It is now also possible to define an array with SMTP stream options in the
+:file:`AdditionalConfiguration.php` file.
+
+Configuration Example:
+
+..  code-block:: php
+
+    return [
+        //....
+        'MAIL' => [
+            'transport' => 'smtp',
+            'transport_smtp_server' => 'localhost:1025',
+            'transport_smtp_stream_options' => [
+                'ssl' => [
+                    'verify_peer' => false,
+                    'verify_peer_name' => false,
+                ]
+            ],
+        ],
+        //....
+    ];
+
+Impact
+======
+
+Now it is possible to set more options for some SMTP cases.
+
+.. index:: LocalConfiguration, ext:core