Correct subnetting functionality for the tests and setup

setup/flavors/compose/docker-compose.yml

@@ -146,8 +146,7 @@ services:
     depends_on:
       - imap
   {% endif %}
-  
-{% if resolver_enabled %}
+
 networks:
   default:
     driver: bridge
@@ -155,4 +154,3 @@ networks:
       driver: default
       config:
         - subnet: {{ subnet }}
-{% endif %}

setup/flavors/compose/mailu.env

@@ -26,7 +26,7 @@ SECRET_KEY={{ secret(16) }}
 # PUBLIC_IPV6= {{ bind6 }} (default: ::1)
 
 # Subnet of the docker network. This should not conflict with any networks to which your system is connected. (Internal and external!)
-SUBNET=192.168.203.0/24
+SUBNET={{ subnet }}
 
 # Main mail domain
 DOMAIN={{ domain }}