See below for some (or all) of the things that need doing, depending on the extent you want to use it.
- 
Set up your MX records (to receive email) to the following: 
 ​Name/Host/Alias   Time to Live   Record Type   Priority   Value/Answer/Destination Blank or @ 3600 MX 1 ASPMX.L.GOOGLE.COM. Blank or @ 3600 MX 5 ALT1.ASPMX.L.GOOGLE.COM. Blank or @ 3600 MX 5 ALT2.ASPMX.L.GOOGLE.COM. Blank or @ 3600 MX 10 ALT3.ASPMX.L.GOOGLE.COM. Blank or @ 3600 MX 10 ALT4.ASPMX.L.GOOGLE.COM. 
- 
Set up your CNAME records (to use the calendar, etc.)Â 
- 
Remove the 'localdomains' entry (if you are using a web-based email form on your site we can do this for you!) 
