ansible-collection-mailserver/roles/postfix/tasks/config.yml

---

- name: render /etc/postfix/main.cf
  ansible.builtin.template:
    src: etc/postfix/main.cf.j2
    dest: /etc/postfix/main.cf
    owner: root
    group: root
    mode: 0644
  notify: restart postfix

- name: render /etc/postfix/master.cf
  ansible.builtin.template:
    src: etc/postfix/master.cf.j2
    dest: /etc/postfix/master.cf
    owner: root
    group: root
    mode: 0644
  notify: restart postfix