Setup Outlook Express.

Outlook Express (IE 5)
Outlook Express allows you to add a new email account to your existing profile. This means you do not have to replace your current settings in order to send and receive your new mail account messages.

Here's how:
• From the Tools menu, choose "Accounts."
•Select the "Mail" tab.
•Click the "Add" button.
•From the Add menu, click "Mail."
•In the text box labeled Display Name, type your name and click "Next." In the Email Address box, type your new email address and click "Next."
•Select "POP3" to answer the question "My incoming mail server is a…."
•In the Incoming mail (POP3, IMAP, or HTTP) server box, type "mail.domain.co.uk" replacing this with your domain address.
•In the Outgoing mail (SMTP) server box, type "smtp.yourisp.co.uk" you should be able to find this information in one of your existing accounts or from your isp themselves. Click "Next."
•In the Account Name box, type your entire email address.
•In the Password box, type your given Password. If you want Outlook Express to remember your password, check the "Remember password" box.
• Do not check the "Log on using secure password" box. Click "Next."
•Click "Finish."