Open Outlook Express. On the top level navigation bar,
click
Tools and on the drop down menu which appears, click
Accounts.

You will then see this screen.

On the right hand side, click
Add and then
Mail. This takes you to this screen.

Choose a name for your account as you would like it to appear on emails you send. Then click
Next
On this screen, write in your full email address. Then click
Next to go to the following screen;

Here, enter the email settings needed to download your email. These are;
Incoming mail (POP3) -
pop.tiscali.co.uk
Outgoing mail (SMTP) -
smtp.tiscali.co.uk
Then click
Next

Enter your account name and password. Remember that your account name is your full email address.
Leave the checkbox
Log on using Secure Password Authentication clear, and then click
Next

Click
Finish to end the set up process.
IMPORTANT: Now double check the settings you have created
here.