services: mailserver: image: ghcr.io/docker-mailserver/docker-mailserver:latest container_name: mailserver # Provide the FQDN of your mail server here (Your DNS MX record should point to this value) hostname: mail.example.com env_file: mailserver.env # More information about the mail-server ports: # https://docker-mailserver.github.io/docker-mailserver/latest/config/security/understanding-the-ports/ # To avoid conflicts with yaml base-60 float, DO NOT remove the quotation marks. ports: - "25:25" # SMTP (explicit TLS => STARTTLS, Authentication is DISABLED => use port 465/587 instead) - "143:143" # IMAP4 (explicit TLS => STARTTLS) - "465:465" # ESMTP (implicit TLS) - "587:587" # ESMTP (explicit TLS => STARTTLS) - "993:993" # IMAP4 (implicit TLS) volumes: - ./docker-data/dms/mail-data/:/var/mail/ - ./docker-data/dms/mail-state/:/var/mail-state/ - ./docker-data/dms/mail-logs/:/var/log/mail/ - ./docker-data/dms/config/:/tmp/docker-mailserver/ - /etc/localtime:/etc/localtime:ro restart: always stop_grace_period: 1m # Uncomment if using `ENABLE_FAIL2BAN=1`: # cap_add: # - NET_ADMIN healthcheck: test: "ss --listening --tcp | grep -P 'LISTEN.+:smtp' || exit 1" timeout: 3s retries: 0