Attempting to drop the internal MTA

compose.yml

@@ -34,11 +34,6 @@ services:
         mode: 0555
     entrypoint: /usr/local/bin/docker-entrypoint-custom.sh
 
-  # Note(decentral1se): implement this
-  # https://mailman.readthedocs.io/en/latest/src/mailman/docs/mta.html
-  # https://github.com/maxking/docker-mailman#setting-up-your-mta
-  mta: []
-
   front:
     image: "maxking/mailman-web:0.3"
     hostname: mailman-web