---
  - name: verify if save file exist
    stat:
      path: /etc/postfix/main.cf.save
    register: stat_result
 
  - name: install postfix and module
    yum:
      name:
        - postfix
        - postfix-ldap
      state: present
      
  - name: save actual version
    copy:
      src: "{{ item }}"
      dest: "{{ item }}.save"
      #remote_src: yes
    with_items:
      - /etc/postfix/main.cf
      - /etc/postfix/master.cf  
    when: stat_result.stat.exists == False
          
  - name: configure postfix chroot
    copy:
      src: 'postfix/postfix_chroot'
      dest: '/root/postfix_chroot'
      owner: 'root'
      group: 'root'
      mode: '0744'
 
  - name: configure postfix master.cf
    copy:
      src: 'postfix/master.cf'
      dest: '/etc/postfix/master.cf'
 
  - name: configure postfix main.cf
    copy:
      src: "postfix/{{ item }}"
      dest: "/etc/postfix/{{ item }}"
    with_items:
      - main.cf
 
#  - name: "{{ nPostfix }} - postmap transport"
#    shell: postmap /etc/postfix/{{ item }}
#    with_items:
#      - transport
#    changed_when: false

  - name: execute postfix_chroot
    shell: /root/postfix_chroot
    changed_when: false

  - name: add subject in header_checks
    lineinfile:
      path: /etc/postfix/header_checks
      insertafter: EOF
      line: "/^Subject:/      WARN"

  - name: start & enable postfix
    systemd_service:
      name: postfix
      state: started
      enabled: yes