diff --git a/DMS/docker-compose.yml b/DMS/docker-compose.yml
index 7d7f363..122a35a 100644
--- a/DMS/docker-compose.yml
+++ b/DMS/docker-compose.yml
@@ -147,7 +147,10 @@ services:
       - ./docker-data/roundcube/config:/var/roundcube/config
       - ./docker-data/roundcube/plugins/email_config:/var/www/html/plugins/email_config:ro
     networks:
-      - mail_network
+      mail_network:
+        aliases:
+          - mailserver
+          - node1.email-srvr.com
     restart: unless-stopped
 
   roundcube-db:
@@ -162,7 +165,10 @@ services:
     volumes:
       - ./docker-data/roundcube/db:/var/lib/postgresql/data
     networks:
-      - mail_network
+      mail_network:
+        aliases:
+          - mailserver
+          - node1.email-srvr.com
     restart: unless-stopped
 
 networks: