Google Apps to host your Domain mail server

A mini howto forward you domain emails to google and get a gmail interface for your emails using use google apps.

Register at http://www.google.com/apps/
The standard edition is free and can have upto 50 users.

Now Configure Mail
https://www.google.com/a/cpanel/yourdomain.com/Dashboard
click "Activate Mail"

Follow Instructions for setting MX records
which are :
Priority Address TTL
1 aspmx.l.google.com 1week
5 alt1.aspmx.l.google.com 1week
5 alt2.aspmx.l.google.com 1week
10 aspmx2.googlemail.com 1week
10 aspmx3.googlemail.com 1week

The login page should be:
https://mail.google.com/a/yourdomain.com
or you can set up mail.yourdomain.com [instructions]

https://www.google.com/a/cpanel/yourdomain.com/DomainSettingsDomains
select "Service Settings" -> "Email"
Tell google what you want the domain to be.
Update your dns records by adding a cname with alias mail (should match the google setup), points to host name should be ghs.google.com ttl 1 week

It may take a few hours for google and world wide dns caches to update making it functional, just wait a and and at some point your new mail.yourdomain.com should spring to life.