version: '3.8'

services:
  mailserver:
    image: mailserver/docker-mailserver:latest
    container_name: mailserver
    hostname: mail.example.com
    ports:
      - "25:25"    # SMTP
      - "143:143"  # IMAP
      - "587:587"  # SMTP Submission
      - "993:993"  # IMAPS
    volumes:
      - ./docker-data/mail-data:/var/mail
      - ./docker-data/mail-state:/var/mail-state
      - ./docker-data/mail-logs:/var/log/mail
      - ./docker-data/config:/tmp/docker-mailserver
      - /etc/localtime:/etc/localtime:ro
    environment:
      - ENABLE_SPAMASSASSIN=0
      - ENABLE_CLAMAV=0
      - ENABLE_FAIL2BAN=0
      - ENABLE_POSTGREY=0
      - ONE_DIR=1
      - DMS_DEBUG=0
      - PERMIT_DOCKER=network
      - SSL_TYPE=
    cap_add:
      - NET_ADMIN
    restart: unless-stopped