Outlook Express Configuration
Step 1: First configure your email account in Outlook Express.

Step 2: Set the POP 3 and SMTP server Details as given below

Step 3: POP3: pop.yourdomain.com
SMTP: smtpauth.yourdomain.com
Enter emailID and Password

Step 4: Enter the User Name and Password for Outgoing mail or Select the check box to use the same User Name and Password for outgoing mail server.

Step 5: Click OK Button
Microsoft Outlook Express
Step 1: First configure your email account in Microsoft Outlook Express.

Step 2: Select “View or change existing email account” and click “Next” Button.

Step 3: Change the settings of existing Email account.

Step 4: Configure your email account as shown below
POP3: pop.yourdomain.com
SMTP: smtpauth.yourdomain.com
Enter User Name and Password

Step 5: Click on “More Setting” button to enter the details for Outgoing Server

Step 6: Enter the details as shown below.

Step 7: Enter the User Name and Password for Outgoing mail or Select the check box to use the same User Name and Password for outgoing mail server.

Step 8: Click “Ok” button to finish the configuration.