--- - name: "Install Postfix via apt" apt: update_cache: yes state: present name: - postfix - name: Install Postfix SASL credentials template: src: templates/sasl_passwd mode: 600 dest: /etc/postfix/sasl_passwd - name: Install Postfix mail gateway config template: src: templates/main.cf dest: /etc/postfix/main.cf - name: Build hashtable of SASL creds command: postmap /etc/postfix/sasl_passwd - name: Restart Postfix service: name: postfix state: restarted enabled: yes