ansible-msmtp-mailer/tasks/main.yml

---
# Deploy msmtp
- name: Update apt cache.
  apt:
    update_cache: yes
    upgrade: no
    cache_valid_time: 14400 # 4 hours
  tags: mail
  when: ansible_os_family == "Debian"

- name: Remove other MTAs.
  apt:
    pkg: "{{ item }}"
    state: absent
    autoremove: yes
    purge: yes
  with_items:
    - exim4*
    - postfix*
    - sendmail*
  tags:
    - mail
  when:
    - msmtp_remove_mtas
    - ansible_os_family == "Debian"

- name: Install msmtp and mailx on Debian.
  apt:
    pkg: "{{item}}"
    state: present
  with_items:
    - msmtp-mta
    - bsd-mailx
  tags: mail
  notify: test mail
  when: ansible_os_family == "Debian"

- name: Install msmtp and s-nail on Archlinux.
  pacman: name={{item}} state=present
  with_items:
    - msmtp
    - msmtp-mta
    - s-nail
  when: ansible_os_family == "Archlinux"

- name: Copy mstprc conf file.
  template:
     src: msmtprc.j2
     dest: /etc/msmtprc
     owner: root
     group: root
     mode: 0644
  tags: mail
  notify: test mail

- name: Copy aliases conf file.
  template:
    src: aliases.j2
    dest: /etc/aliases
    owner: root
    group: root
    mode: 0644
  tags: mail
  notify: test mail