Solution
We recognise that some users wish to make use of google's large email storage system, and we are able to support that as well.
You do not need to worry how to set it up on Twopiz's end, just open a ticket with us and we will handle the mail exchange record change for you.
http://twopiz.com/clients/submitticket.php?step=2&deptid=1
You are only required to setup the google apps account and perform the verification.