To setup Outlook Express for the first time simply follow the guidelines below, there are some pictures included to help you navigate through the setup easily.
1 . Open Outlook Express. In the new window click on Tools in the header then click on Accounts which is third from the bottom of the list.
2 . The new window will look like the one below. Click on the Add button on the right hand side and then click on Mail .

3 . You will then be taken to the email setup page. Enter your name in the Display Name box and click Next .
4 . Now enter your full e-mail address in the box titled E-Mail Address and click on Next . You will then be taken to the page below.

Select POP3 from the drop down box.
In the Incoming Mail box type: mail.yourdomain
In the Outgoing Mail box type: mail.yourdomain
Then click on Next .
5 . Select Log On then enter your provided user-name in the POP Account Name box and your password in the Password box . Ensure you select the "Log On Using" box and not the "Log
on using Secure Password Authentication" box.
Click on Next .

6 . You can either leave the Internet Mail Account Name box empty or enter a name of your choice to identify the mail service. Then click on Next and select which connection applies to your Internet setup.
7 . You now just have to click on Finish to complete the configuration.
To send an e-mail, open Outlook express, and just select Compose a Message from the main Outlook opening screen.