Enter your Control Panel and click on the Email Accounts link.
To add a new e-
Do not put @yourdomainname.com as this is put in automatically to the right of your email account.
Hoover over the areas next to the arrows in the illustration below for a brief description of what to do in each area. Very simple.
Your emails have been set up and can be changed anytime you wish. You can delete an account, change password, mailbox quota size or configure your email for Outlook or other 3 party mail program.