How to add an MX record to a domain/subdomain
How to add a custom MX record to your domain or subdomain - overview
1. To start, you need to log into your web hosting Control Panel. Click on the Control Panel link in the upper right corner. Then type the details of your web hosting account (such as username and password) in the Members Login Area form and click the 'Login' button to go straight to your web hosting account.
3. Next follows the most important third step - setting a custom MX record.
3.1. First select a host that you wish to set a custom MX record for from the Hostname drop-down menu.
3.3. Next specify the Priority Level and TTL values or leave the default ones. To submit your add-MX-record request, press the 'Add New' button.
3.4. Then click 'OK' in the pop-up message to confirm your request. That's it.