If you have your domain through us, you can manage your domain's MX records from your Clients' Area > My Domains >

Next to your domain name, click on "View Details". Then you will be taken to a new page with various options. At the bottom of the page you will find "DNS Management". Click on it and use the drop list for record type. Select MX.

If you have problems changing your MX record, submit a ticket for assistance.

CornerNET provides the best email hosting environment and we will help you with any email questions/problems you may have, including MX record changes.