diff --git a/DMS/docker-compose.yml b/DMS/docker-compose.yml
index 748edd1..e9feab5 100644
--- a/DMS/docker-compose.yml
+++ b/DMS/docker-compose.yml
@@ -137,13 +137,13 @@ services:
       # Roundcube verbindet intern über den Docker-Alias
       - ROUNDCUBEMAIL_DEFAULT_HOST=ssl://node1.email-srvr.com
       - ROUNDCUBEMAIL_DEFAULT_PORT=993
-      - ROUNDCUBEMAIL_SMTP_SERVER=tls://node1.email-srvr.com
+      - ROUNDCUBEMAIL_SMTP_SERVER=tls://mailserver
       - ROUNDCUBEMAIL_SMTP_PORT=587
       - ROUNDCUBEMAIL_PLUGINS=password,email_config
     ports:
       - "8888:80"
     volumes:
-      - ./docker-data/roundcube/config:/var/roundcube/config
+      - ./docker-data/roundcube/config:/var/www/html/config
       - ./docker-data/roundcube/plugins/email_config:/var/www/html/plugins/email_config:ro
     networks:
       - mail_network
diff --git a/DMS/docker-data/roundcube/plugins/email_config/config/config.inc.php b/DMS/docker-data/roundcube/plugins/email_config/config/config.inc.php
index 8f1a760..7b3d877 100644
--- a/DMS/docker-data/roundcube/plugins/email_config/config/config.inc.php
+++ b/DMS/docker-data/roundcube/plugins/email_config/config/config.inc.php
@@ -1,5 +1,6 @@
+
+<?php
 $config['language'] = 'en_US';
-// SMTP STARTTLS mit deaktivierter Zert-Prüfung (sicher im internen Docker-Netzwerk)
 $config['smtp_conn_options'] = array(
     'ssl' => array(
         'verify_peer'       => false,