{
  "id": "email",
  "name": "Email Server",
  "description": "Full email server: Postfix (SMTP) + Dovecot (IMAP). Requires a domain and proper DNS MX records.",
  "version": "1.0.0",
  "author": "roof",
  "image": "mailserver/docker-mailserver:latest",
  "volumes": [{"name": "mail-data", "mount": "/var/mail"}, {"name": "mail-state", "mount": "/var/mail-state"}],
  "env": [{"key": "DOMAINNAME", "value": "${CELL_DOMAIN}"}, {"key": "HOSTNAME", "value": "mail"}],
  "caddy_route": null,
  "dns_entry": {"subdomain": "mail"},
  "iptables_rules": [
    {"type": "ACCEPT", "dest_ip": "${SERVICE_IP}", "dest_port": 25, "proto": "tcp"},
    {"type": "ACCEPT", "dest_ip": "${SERVICE_IP}", "dest_port": 587, "proto": "tcp"},
    {"type": "ACCEPT", "dest_ip": "${SERVICE_IP}", "dest_port": 993, "proto": "tcp"}
  ],
  "container_name": "cell-mail",
  "network_ip_var": "MAIL_IP",
  "ports": [25, 587, 993]
}