localhost guidelines

Author: nasark

_includes/configuration.md

@@ -54,6 +54,8 @@ Configuring messaging is required for appliance setup. It is recommended to conf
 2. Select **Proceed** and appliance_console will apply the configuration that you have
    requested then restart evmserverd to pick up the changes.
 
+**Note:** It is recommended to use your FQDN as the messaging hostname rather than `localhost`
+
 ### Configuring a Worker Appliance
 
 You can use multiple appliances to facilitate horizontal scaling, as