How to correctly add Google Apps Custom MX to your domain.
Start by going to your Custom MX Page :
Find your domain, then you will click the “Edit“:
The EASY option!! (one click setup)
Just use our one click Google Apps integrated button for an easy setup:
OR
On the next page you CAN use the “Custom MX Records” Option:
Then just add the Google Apps MX Records
The Correct MX Format:
10 yourown.mx.server.com
(Priority) then the target server
The number is the Priority, and there must be a space between them.
Then the MX needs to propagate. 4 Hours is needed, if you test before then, you will get bounce back error emails.