zimbraweb-smtp-bridge issue54

docker-compose.yml

version: '3'
services:
  zimbrabridge:
    image: ghcr.io/cirosec-studis/zimbraweb-smtp-bridge:dev
    restart: unless-stopped
    hostname: dhbwbridge
    environment:
    - ENVCONFIG=true
    - smtp_fallback=disabled
    - smtp_fallback_relay_host=dhbwrelay
    networks:
      - front
    ports:
      - '587:587'

  dhbw_relay:
    image: boky/postfix
    restart: unless-stopped
    hostname: dhbwrelay.mail.julian-lemmerich.de
    environment:
    - ALLOWED_SENDER_DOMAINS=student.dhbw-mannheim.de
    networks:
      front:
        aliases:
        - dhbwrelay

networks:
  front:
    external: true