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

roles/server/tasks/utilities/mail_transfer_agent.yml

@@ -1,10 +1,19 @@
-- name: server | utilities | install {{ mta_package }}
+- name: server | utilities | {{ mta_package }}
+  block:
+    - name: server | utilities | remove postfix
+      package:
+        name: 
+          - postfix
+          - postfix-ldap
+          - postfix-mysql
+          - postfix-sqlite
+          - postgrey
+        state: absent
+    - name: server | utilities | install {{ mta_package }}
       package:
         name: "{{ mta_package }}"
         state: present
-  when: postfix is not defined or postfix == false
-
-- name: server | utitilies | configure {{ mta_package }}
+    - 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 }}"
@@ -15,3 +24,4 @@
         - { 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