Cleaning divers

docker-compose/mail_unix.yml

-version: "3"
-
-services:
-  mail-mda:
-    build: ../pica-mail-mda/auth_plaintext
-    image: pica-mail-mda:1
-    container_name: pica-mail-mda
-    networks:
-      - mail
-    hostname: pica-mail-mda
-    volumes:
-      - /var/lib/docker/volumes/mail-mda-maildir/_data:/home
-    
-  mail-mta:
-    image: pica-mail-mta:1
-    container_name: pica-mail-mta
-    networks:
-      - mail
-
-networks:
-  mail: