diff --git a/email-worker-nodejs/docker-compose.yml b/email-worker-nodejs/docker-compose.yml
index 4bfad38..d5d9d9f 100644
--- a/email-worker-nodejs/docker-compose.yml
+++ b/email-worker-nodejs/docker-compose.yml
@@ -11,14 +11,13 @@ services:
       - "9000:8000"   # Prometheus metrics (Host:Container)
       - "9090:8080"   # Health check (Host:Container)
     environment:
-      - SMTP_HOST=host.docker.internal
+      - SMTP_HOST=mailserver
       - SMTP_PORT=25
     networks:
-          - mail_network      
+      - mail_network      
 
 volumes:
   worker-logs:
-# Netzwerk am Ende der Datei deklarieren
 networks:
   mail_network:
     external: true
\ No newline at end of file