Webfaction and google apps

First register (for free) with standrad google apps

Create the random subdomain (under domains) that google gives you.
Then under DNS overides choose the new subdomain and complete the CNAME record to be google.com

Check that this has taken affect. when you press the I have done this button google then checks. If you hae not done this it will assume that you do not own the domain and not allow you to continue.

For easy access to your mailbox, create a new subdomain (under domains) mail.yourdomain.com. Then under DNS overides set the CNAME to ghs.google.com

Then under domains for yourdomain.com create these MX records

Domain                Priority
ASPMX5.GOOGLEMAIL.COM   30
ASPMX4.GOOGLEMAIL.COM   30
ASPMX3.GOOGLEMAIL.COM   30
ASPMX2.GOOGLEMAIL.COM   30
ALT2.ASPMX.L.GOOGLE.COM 20
ALT1.ASPMX.L.GOOGLE.COM 20
ASPMX.L.GOOGLE.COM      10