To use Outlook Express to check your mail, please follow these steps:
1. Open your Outlook Express program.
2. Click on Tools, Accounts. From there, please select Add and then Mail.
3. Please enter your Name and then click Next.

4. Please enter your Domain E-mail Address
then click Next.

5. Enter your Incoming and Outgoing Mail Server
and then click Next.

6. Enter your Account name (Email address)
and WebMail password and then click Next.

7. Please click Finish and you have
successfully configured your WebMail account into POP mail.

Should you encounter problems with sending email out using smtp.yourdomain.com, you may be required to use your ISP's smtp server. Please refer to the following information:
Using your ISP's smtp server to send email.
To watch a demo on how to configure a POP client using Outlook, browse here:
Outlook.