services: dovecot: image: dovecot/dovecot:2.4-latest # Oder spezifische 2.4.x Version container_name: dovecot24 restart: unless-stopped ports: - "143:143" # IMAP - "993:31993" # IMAPS (SSL/TLS) - "110:110" # POP3 - "995:995" # POP3S (SSL/TLS) volumes: - ./config/dovecot24.conf:/etc/dovecot/dovecot.conf # Pfad zur Konfig - ./ssl:/etc/dovecot/ssl - ./mail:/var/mail - ./log:/var/log environment: - USER_PASSWORD=SUPERSECRET command: ["dovecot", "-F"] # Foreground mit eigener Konfig networks: - mail_network networks: mail_network: driver: bridge