After you have created an Email account in your Control Panel use these instructions or enter the set up wizard and follow these guidelines.
Your control Panel also includes an auto configure for outlook express.  If you choose to use this option make sure your outlook express is closed.

Go to the following menu: [Tools] ----> [Accounts] then [Add] ----> [Mail]

Fill in the information indicated below,
Please make sure it is correct. 

Full Name: your name or any name you chose!

Email Address: yourname@yourdomain.com

POP3: mail.yourdomain.com

SMTP: mail.yourdomain.com

Account name: The Pop Email username you  created

Password: The password you created for your Pop Email account

Once you have finished these settings go to the "servers" tab and click the box that says, "My server requires authentication"  Then click the "settings" button.  Next you will need to click on the "use the same settings as my incoming mail server" then click OK at the bottom.