diff --git a/DMS/docker-compose.yml b/DMS/docker-compose.yml
index 8efba69..978f24a 100644
--- a/DMS/docker-compose.yml
+++ b/DMS/docker-compose.yml
@@ -17,6 +17,7 @@ services:
       - "993:993"    # IMAP SSL
       - "110:110"    # POP3
       - "995:995"    # POP3 SSL
+      - "127.0.0.1:11334:11334" # Bindet nur an Localhost!
     volumes:
       - ./docker-data/dms/mail-data/:/var/mail/
       - ./docker-data/dms/mail-state/:/var/mail-state/