- name: install nullmailer
  apt:
    pkg: nullmailer

- name: divert nullmailer-inject
  community.general.dpkg_divert:
    path: /usr/bin/nullmailer-inject
    divert: /usr/bin/nullmailer-inject-bin
    rename: yes

- name: create nullmailer-inject wrapper script
  template:
    src: nullmailer-inject.j2
    dest: /usr/bin/nullmailer-inject
    mode: 0755

- name: setup nullmailer envelope from overwrite
  copy:
    dest: "/etc/nullmailer/allmailfrom"
    mode: "0644"
    owner: root
    group: root
    content: "{{ mail.from if mail.overwrite_from_envelope else '' }}"

- name: setup nullmailer
  notify: restart nullmailer
  copy:
    dest: "{{ item.dest }}"
    content: "{{ item.content }}"
    owner: "{{ item.owner }}"
    group: "{{ item.group }}"
    mode: "{{ item.mode }}"
  with_items:
  - {dest: "/etc/nullmailer/adminaddr",     mode: "0644", owner: root, group: root, content: "{{ mail.root }}"}
  - {dest: "/etc/nullmailer/remotes",       mode: "0600", owner: mail, group: mail, content: "{{ mail.server }}"}
  - {dest: "/etc/nullmailer/defaultdomain", mode: "0644", owner: root, group: root, content: "{{ mail.domain }}"}
  - {dest: "/etc/mailname", mode: "0644", owner: root, group: root, content: "{{ inventory_hostname }}\n"}