DMS_DEBUG=0 # PERMIT_DOCKER=network # Hostname + primary domain (split from mail_hostname variable) HOSTNAME={{ mail_hostname.split('.')[0] }} DOMAINNAME={{ domain }} # Let's Encrypt ENABLE_TLS=1 SSL_TYPE=letsencrypt LETSENCRYPT_DOMAIN={{ mail_hostname }} LETSENCRYPT_EMAIL={{ admin_user }}@{{ domain }} # Override hostname (FQDN) and domains handled by this server OVERRIDE_HOSTNAME={{ mail_hostname }} OVERRIDE_DOMAIN={{ mail_domains | join(',') }} # Other docker-mailserver options POSTMASTER_ADDRESS=postmaster@{{ domain }} ONE_DIR=1 ENABLE_OPENDKIM=0 # rspamd handles DMARC and SPF natively; enabling these would duplicate validation ENABLE_OPENDMARC=0 ENABLE_POLICYD_SPF=0 ENABLE_AMAVIS=0 ENABLE_CLAMAV=0 ENABLE_FAIL2BAN=0 ENABLE_SPAMASSASSIN=0 ENABLE_RSPAMD=1 RSPAMD_LEARN=1 POSTFIX_MESSAGE_SIZE_LIMIT=26214400