ansible-role-postfix/defaults/main.yml

mailname: "{{inventory_hostname}}"

postfix_method: postfixadmin

postfix_smtp_service: true
postfix_submission_service: true

postfix_postfixadmin_mysql_host: localhost
postfix_postfixadmin_mysql_database: postfixadmin
postfix_postfixadmin_mysql_username: postfix

postfix_check_spf: false
postfix_check_spamhaus: false

postfix_with_opendkim: false
postfix_with_opendmarc: false

postfix_virtual_transport: lmtp:unix:private/dovecot-lmtp

postfix_submission_service_smtpd_sasl_path: private/auth

postfix_smtps_service: true

postfix_certificate_fullchain_file: /etc/ssl/certs/ssl-cert-snakeoil.pem
postfix_certificate_private_key_file: /etc/ssl/private/ssl-cert-snakeoil.key