main.yml

---
- name: postmap sasl
  ansible.builtin.command: postmap hash:/etc/postfix/sasl-passwords
  # we want to generate db file at every execution
  changed_when: false

- name: postmap generic
  ansible.builtin.command: postmap hash:/etc/postfix/generic
  # we want to generate db file at every execution
  changed_when: false

- name: postmap virtual
  ansible.builtin.command: postmap hash:/etc/postfix/virtual
  # we want to generate db file at every execution
  changed_when: false

- name: newaliases
  ansible.builtin.command: newaliases
  # we want to generate aliases at every execution
  changed_when: false

- name: restart postfix
  ansible.builtin.service:
    name: postfix
    state: restarted