Earth First Web Hosting Manager enables you to alter MX (Mail Exchange Record) Entries at any time. By altering an MX Entry you can point the email for a particular domain to another mail server, if required.
To edit an MX entry:
Click on the Edit an MX Entry link in the Dns Functions menu.
Click on the required domain in the list and click on the button.
Enter the new domain that email will be sent to and click on the button.