Updated regex for postfix configurations

tasks/communication.yml

@@ -11,20 +11,20 @@
       when: "'SMTP0' not in inventory_hostname"
       with_items:
         - { dest: /etc/postfix/main.cf,
-            regexp: "inet_protocols =",
+            regexp: "^.?inet_protocols =",
             line: "inet_protocols = ipv4"
           }
         - { dest: /etc/postfix/main.cf,
-            regexp: "inet_interfaces =",
+            regexp: "^.?inet_interfaces =",
             line: "inet_interfaces = all"
           }
         - { dest: /etc/postfix/main.cf,
-            regexp: "relayhost =",
+            regexp: "^.?relayhost =",
             line: "relayhost = {{ relayhost }}"
           }
         - {
             dest: /etc/postfix/main.cf,
-            regexp: "smtp_randomize_addresses =",
+            regexp: "^.?smtp_randomize_addresses =",
             line: "smtp_randomize_addresses = no"
           }