- name: Install postfix and mail client
  apt:
    update_cache: true
    pkg:
    - bsd-mailx
    - postfix
    - libsasl2-modules

- name: Insert postfix main configuration
  template:
    src: main.cf.j2
    dest: /etc/postfix/main.cf
    backup: true
  notify: restart_postfix
  
- name: Setup credentials
  template:
    src: mail_credentials.j2
    dest: /etc/postfix/sasl_passwd
    mode: 0600

- name: Generate sasl.db file
  command: postmap /etc/postfix/sasl_passwd

- name: Delete credentials file
  file:
    name: /etc/postfix/sasl_passwd
    state: absent

- name: SMTP header tasks
  block:
  - name: Add custom from header configuration
    template:
      src: mail_headers.j2
      dest: /etc/postfix/smtp_header_checks
      mode: 0600
      backup: true

  - name: Add postfix-pcre package
    apt:
      name: postfix-pcre
  when: custom_smtp_header

- name: SMTP masquerade tasks
  block:
  - name: Add SMTP masquerade file
    template:
      src: mail_generic.j2
      dest: /etc/postfix/generic
      mode: 0600
      backup: true

  - name: Generate generic.db file
    command: postmap /etc/postfix/generic
  when: smtp_masquerade