clone from private repo

mail_system/tasks/postfix.yml

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+- name: install postfix packages
+  apt:
+    name: postfix,postfix-pgsql,postfix-doc
+    state: present
+    update_cache: yes
+    install_recommends: no
+
+- name: divert /etc/postfix/main.cf
+  shell: dpkg-divert --add --rename --divert /etc/postfix/main.cf.orig /etc/postfix/main.cf
+
+- name: divert /etc/postfix/master.cf
+  shell: dpkg-divert --add --rename --divert /etc/postfix/master.cf.orig /etc/postfix/master.cf
+
+- name: group 'mailstore'
+  group:
+    name: mailstore
+    state: present
+    system: yes
+    gid: 5000
+
+- name: user 'mailstore'
+  user:
+    name: mailstore
+    group: mailstore
+    state: present
+    system: yes
+    uid: 5000
+    create_home: no
+    home: /srv/mailstore
+    password: '!'
+    password_lock: yes
+    comment: created by ansible
+
+- name: directories /srv/mailstore /srv/mailstore/role_specific
+  file:
+    path: "{{ item }}"
+    state: directory
+    owner: mailstore
+    group: mailstore
+    mode: 0755
+  loop:
+    - /srv/mailstore
+    - /srv/mailstore/role_specific
+    - /srv/mailstore/role_specific/roles
+
+- name: postfix configuration files
+  template:
+    src: "postfix/{{ item }}"
+    dest: "/etc/postfix/{{ item }}"
+    owner: root
+    group: root
+    mode: 0644
+    force: "{{ mailserver.postfix.overwrite_config }}"
+  loop:
+    - main.cf
+    - master.cf
+    - header_checks
+
+- name: postfix database queries
+  template:
+    src: "postfix/{{ item }}"
+    dest: "/etc/postfix/{{ item }}"
+    owner: root
+    group: root
+    mode: 0600
+    force: yes
+  loop:
+    - domains.cf
+    - mailboxes.cf
+    - aliases.cf
+    - email_existence_check.cf
+    - relay_domains.cf
+    - relay_recipient_maps.cf
+    - transport_maps.cf
+
+- name: restart postfix
+  systemd:
+    name: postfix
+    state: restarted