TO EDIT AN MX (Mail Exchanger) RECORD
Double Click on the Record you wish to Edit
Amend the name of your Host (normaly @) in the Host Box, A priority for the MX Record in the Priority Box and corresponding Domain in the Domain box
Host : normally @ for mail
Priority : this should be a number in the range 0-65535, the lower the number the higher the priority of the MX Record
Domain : this should be in the format of a domain name for.example.com and only contain Alpha Numeric Characters and –
Click on Update to amend the MX Record
If the information you entered in the Host, Priority & Domain Boxes is invalid you will not be able to click the Update button
Your Edited MX Record will display in the MX Records Tab, Click Save to push them Live
Click OK when presented with the confirmation message