Correct SMTP port number

roles/mailserver/templates/var_www_autoconfig_mail_config-v1.1.j2

         </incomingServer>
         <outgoingServer type="smtp">
             <hostname>{{ mail_server_hostname }}</hostname>
-            <port>587</port>
+            <port>465</port>
             <socketType>SSL</socketType>
             <authentication>password-cleartext</authentication>
             <username>%EMAILADDRESS%</username>