Switch to the new networking API

docker-compose.yml

@@ -9,9 +9,6 @@ services:
     ports:
       - "80:80"
       - "443:443"
-    links:
-      - admin:admin
-      - webmail:webmail
     volumes:
       - /data/certs:/certs
 
@@ -35,9 +32,6 @@ services:
       - "25:25"
       - "465:465"
       - "587:587"
-    links:
-      - filter:lmtp
-      - imap:sasl
     volumes:
       - /data/freeposte:/data
       - /data/logs:/logs
@@ -47,8 +41,6 @@ services:
     build: amavis
     image: freeposte/amavis
     env_file: freeposte.env
-    links:
-      - imap:lmtp
     volumes:
       - /data/filter:/data
 
@@ -63,8 +55,5 @@ services:
     build: roundcube
     image: freeposte/roundcube
     env_file: freeposte.env
-    links:
-      - imap:imap
-      - smtp:smtp
     volumes:
       - /data/webmail:/data