Google apps says:
To use the custom URL mail.domain.com, you must change the CNAME record with your domain host.
Find the CNAME settings and enter the following as the CNAME value or alias:
Set the CNAME destination to the following address:
If I try and add a CNAME record and enter "mail" as name and "ghs.googlehosted.com" as hostname then I get this error:
Data needs to end with a dot (.)
What am I doing wrong?
(I feel like I must just not be understanding something fundamental about how DNS records work)