--- - name: Include OS-specific variables. include_vars: "{{ ansible_os_family }}.yml" when: "'mail_server' not in group_names" - name: Ensure postfix is installed. package: name: postfix state: present when: "'mail_server' not in group_names" - name: Update mail aliases. lineinfile: dest: "{{ aliases_config_file }}" line: "root: {{ alias_email }}" regexp: "^root:" when: alias_email != "root" and 'mail_server' not in group_names notify: update aliases - name: Update Postfix configuration. lineinfile: dest: "{{ postfix_config_file }}" line: "{{ item.name }} = {{ item.value }}" regexp: "^{{ item.name }} =" with_items: - name: inet_interfaces value: "{{ postfix_inet_interfaces }}" - name: inet_protocols value: "{{ postfix_inet_protocols }}" - name: myhostname value: "{{ inventory_hostname }}" when: "'mail_server' not in group_names" notify: restart postfix - name: Ensure postfix is started and enabled at boot. service: name: postfix enabled: "{{ postfix_service_enabled }}" when: "'mail_server' not in group_names" notify: restart postfix