mta for servers must not be postfix unless it is a mailserver

roles/server/tasks/utilities/mail_transfer_agent.yml

@@ -1,17 +1,27 @@
-- name: server | utilities | install {{ mta_package }}
+- name: server | utilities | {{ mta_package }}
-  package:
+  block:
-    name: "{{ mta_package }}"
+    - name: server | utilities | remove postfix
-    state: present
+      package:
+        name: 
+          - postfix
+          - postfix-ldap
+          - postfix-mysql
+          - postfix-sqlite
+          - postgrey
+        state: absent
+    - name: server | utilities | install {{ mta_package }}
+      package:
+        name: "{{ mta_package }}"
+        state: present
+    - name: server | utitilies | configure {{ mta_package }}
+      lineinfile:
+        path: "/etc/ssmtp/ssmtp.conf" # required. The file to modify. Before Ansible 2.3 this option was only usable as I(dest), I(destfile) and I(name).
+        regexp: "{{ item.regex }}"
+        state: present
+        line: "{{ item.line }}"
+      loop:
+        - { regex: "^root=.*$", line: "root=rene@tantooine.myfirewall.org"}
+        - { regex: "^mailhub=.*", line: "mailhub=mail.universe.local"}
+        - { regex: "^hostname=.*", line: "hostname={{ ansible_fqdn }}"}
+      when: ansible_distribution in ["Debian", "Pop!_OS", "Ubuntu"]
   when: postfix is not defined or postfix == false
-
-- name: server | utitilies | configure {{ mta_package }}
-  lineinfile:
-    path: "/etc/ssmtp/ssmtp.conf" # required. The file to modify. Before Ansible 2.3 this option was only usable as I(dest), I(destfile) and I(name).
-    regexp: "{{ item.regex }}"
-    state: present
-    line: "{{ item.line }}"
-  loop:
-    - { regex: "^root=.*$", line: "root=rene@tantooine.myfirewall.org"}
-    - { regex: "^mailhub=.*", line: "mailhub=mail.universe.local"}
-    - { regex: "^hostname=.*", line: "hostname={{ ansible_fqdn }}"}
-  when: ansible_distribution in ["Debian", "Pop!_OS", "Ubuntu"]