1. After loading Outlook, choose Tools... --> Services ..
2. Click add, and choose Internet E-Mail. Click OK.
3. In the General tab of the email Properties dialog box, fill in your personal information.
4. Click on the Servers tab, and fill in the server information. The Outgoing Mail (SMTP) should be your ISP (dialup account) ie: mail.earthlink.net. (check with your ISP for this information). The incoming mail server should be your domain information;: mail.yourdomain.com. Put in your mailbox username in the account name field, and the password below. Click OK.
5. Your new settings will not take effect until you choose Exit and Log off on the File menu, and then restart Microsoft Outlook.
