Add support for (local) dovecot auth service.

conf/post_decalrations.conf

@@ -272,6 +272,14 @@ for _ip in $forward_mail_client_ips ; do
    forward_mail_client_ip_arr+=("$_ip")
 done
 
+# ---
+# - (local) Dovecot auth service
+# ---
+declare -a dovecot_auth_allowed_network_arr
+for _port in $dovecot_auth_allowed_networks ; do
+   dovecot_auth_allowed_network_arr+=("$_port")
+done
+
 # ---
 # - IP Addresses Mumble Server
 # ---