docker-compose mail auth plaintext ok et secure

docker-compose/mail_plaintext.yml

+version: "3"
+
+services:
+  mail-mda:
+    image: pica-mail-mda-auth_plaintext:latest
+    container_name: pica-mail-mda-auth_plaintext
+    expose:
+      - "14300"
+    networks:
+      - default
+    hostname: pica-mail-mda
+    volumes:
+      - /var/lib/docker/volumes/mail-maildir/_data:/home
+      - /var/lib/docker/volumes/mail-log/_data:/var/log
+    
+  mail-mta:
+    image: pica-mail-mta-auth_plaintext:latest
+    container_name: pica-mail-mta-auth_plaintext
+    expose:
+      - "2500"
+    networks:
+      - default
+    volumes:
+      - /var/lib/docker/volumes/mail-log/_data:/var/log
+
+networks:
+  default:
+    external:
+      name: local-mail-delivery