container-server/mail/docker-compose.yml

version: '3.7'

# https://github.com/tomav/docker-mailserver/blob/master/README.md

networks:
  mail:
    name: mail

services:
  mail:
    image: tvial/docker-mailserver
    container_name: mail
    restart: "${RESTART:-no}"
    hostname: mail
    domainname: ${BASE_DOMAIN}
    ports:
      - "25:25"
      - "143:143"
      - "587:587"
      - "993:993"
    environment:
      - SSL_TYPE=manual
      - SSL_CERT_PATH=/etc/certs/${BASE_DOMAIN}.crt
      - SSL_KEY_PATH=/etc/certs/${BASE_DOMAIN}.key
      - PERMIT_DOCKER=connected-networks
      - ONE_DIR=1
      - DMS_DEBUG=1

      - ENABLE_MANAGESIEVE=1
      - ENABLE_SPAMASSASSIN=0
      - ENABLE_CLAMAV=0
      - ENABLE_FAIL2BAN=0
      - ENABLE_POSTGREY=0
      - SPOOF_PROTECTION=1
    volumes:
      - ${CERTS_DIR}/${BASE_DOMAIN}:/etc/certs
      - ${BASE_DIR:-/srv}/mail/config/:/tmp/docker-mailserver/
      - ${BASE_DIR:-/srv}/mail/data:/var/mail
      - ${BASE_DIR:-/srv}/mail/state:/var/mail-state
      - ${BASE_DIR:-/srv}/mail/logs:/var/log/mail
    # cap_add:
    #   - NET_ADMIN
    networks:
      - mail