--- postfix_relay_relaydomain: smtp.org postfix_relay_relayhost: "test.{{ postfix_relay_relaydomain }}" postfix_relay_relayport: "587" postfix_relay_auth_user: user01 postfix_relay_auth_password: pass01 # smtpd_banner contains $myhostname by default and # can't be removed postfix_relay_smtpd_banner: - ESMTP - $mail_name postfix_relay_senders: - user: root address: "{{ ansible_hostname }}@{{ postfix_relay_relaydomain }}"