matrix_mailer_enabled: true matrix_mailer_base_path: "{{ matrix_base_data_path }}/mailer" matrix_mailer_docker_image: "panubo/postfix:latest" matrix_mailer_sender_address: "matrix@{{ hostname_identity }}" matrix_mailer_relay_use: false matrix_mailer_relay_host_name: "mail.example.com" matrix_mailer_relay_host_port: 587 matrix_mailer_relay_auth: false matrix_mailer_relay_auth_username: "" matrix_mailer_relay_auth_password: ""