ansible-role-postfixadmin/defaults/main.yml

postfixadmin_mysql_host: localhost
postfixadmin_mysql_database: postfixadmin
postfixadmin_mysql_username: postfixadmin
postfixadmin_server_name: "{{inventory_hostname}}"
postfixadmin_certificate_fullchain_file: /etc/ssl/certs/ssl-cert-snakeoil.pem
postfixadmin_certificate_private_key_file: /etc/ssl/private/ssl-cert-snakeoil.key