Setup Google apps (gmail) for .SG domain registered with Webvisions and hosted on Slicehost

1. Go to http://register.webvisions.com/ and click "Modify Name Server" link

2. Removed webvisions name servers and add in your Slicehost name servers

NS1.SLICEHOST.NET
NS2.SLICEHOST.NET

3. Add MX record on Slicehost

ASPMX.L.GOOGLE.COM.

4. Add slice IP address as A record on Slicehost

5. Add CNAME record given by Google App on Slicehost to verify domain ownership

http://www.google.com/support/a/bin/answer.py?hl=en&answer=47283