1. Log in to your Rackspace account and click on Email Accounts in the Control Panel.
2. Click the pull-down menu and choose the appropriate domain.
3. Enter an email name, password, and password confirmation in the appropriate boxes.
Note: The Strength box will show you the strength of your password choice. If you want cPanel to generate a secure password for you, click the Password Generator button.
4. Enter the mailbox quota you wish for the new account to use. You may use the MB option to specify the account’s quota in megabytes or select Unlimited if you wish for the account have an unlimited mail quota.
Note: A mailbox quota defines the amount of hard drive space an account is able to use.
5. Click Create Account.