From Digital Photo Gallery - Help

Signing up

Verifying domain

HTML

For the moment do not use HTML verification, instead choose the CNAME method.

CNAME

You will need to create a CNAME record with the information you are given.

Activating email

Custom URLs

Push mail

DNS configuration

If you are configuring the DNS yourself you will need to complete these steps.

MX records

Custom URL CNAME records

Clients

Apple mail

http://mail.google.com/support/bin/answer.py?hl=en&answer=81379