diff --git a/config/system/settings.php b/config/system/settings.php
index 26887f6..3346468 100644
--- a/config/system/settings.php
+++ b/config/system/settings.php
@@ -112,11 +112,14 @@ return [
         'processor_path' => '/run/current-system/sw/bin/',
     ],
     'MAIL' => [
-        'defaultMailFromAddress' => 'no-reply@example.com',
-        'transport_smtp_encrypt' => false,
-        'transport_smtp_password' => '',
-        'transport_smtp_server' => '',
-        'transport_smtp_username' => '',
+        'defaultMailFromAddress' => $_ENV['TYPO3_MAIL_FROM'],
+        'transport' => $_ENV['TYPO3_MAIL_TRANSPORT'],
+        'transport_smtp_server' => $_ENV['TYPO3_MAIL_SMTP_SERVER'],
+        'transport_smtp_encrypt' => $_ENV['TYPO3_MAIL_SMTP_ENCRYPT'],
+        'transport_smtp_username' => $_ENV['TYPO3_MAIL_SMTP_USER'],
+        'transport_smtp_password' => $_ENV['TYPO3_MAIL_SMTP_PASSWORD'],
+        'transport_sendmail_command' => $_ENV['TYPO3_MAIL_SENDMAIL_COMMAND'],
+        'transport_sendmail_command' => $_ENV['TYPO3_MAIL_SENDMAIL_COMMAND'],
     ],
     'SYS' => [
         'caching' => [