1. Click the MX Entry icon under the Mail section.

2. Choose the domain for which to change the MX record.

3. Give the MX entry a priority between 0 and 10. The priority dictates in what order connecting to mail server locations should be attempted. The lower the number, the higher the priority.
Note: Entering a priority that is already being used will replace the pre-existing MX entry.
4. Enter the domain of the remote mail server.
5. Click on the Change button to complete the process.