Setting up Google Apps
So, this tutorial will be a brief overview of how to set up Google Apps on x10.
First of all, you need to sign up for Google Apps at http://www.google.com/apps/intl/en/group/index.html The above link is for Google Apps standard, which is free, and allows you to add up to 50 email accounts.
Once you have signed up, you will be asked to confirm ownership of the domain.
 Verify domain ownership
To activate your account, you need to verify that you own your domain name. You can upload an HTML file, add a meta tag, create a TXT record or link it with an analytics account. The instructions provided by google are complete for most options.
To create your TXT record, open the advanced DNS zone editor and add a new record with your website as name, 14400 as TTL, TXT as type and the value provided by google as TXT Data.
 Activate Mail
In order to activate mail, you need to point your hosting to Google's mail servers. To do this, log into your cPanel, and select MX Entry.
In the MX window, add a new records using the information from the table below:
Once that is completed, it may take up to 48 hours for Google to notice the change and update their servers.
When everything is processed, google will show "Email active" in green, and you can create accounts using the users tab.