From the Outlook Express Tools menu, select Accounts as shown on the graphic below.
Click on the Mail tab, highlight the account that you wish to change and click on the Properties button
General tab
This tab contains the basic information for your e-mail account.
Mail Account - You can put whatever you wish in this field. If you have
more than one e-mail account, you can put a "friendly" name here.
It makes it easier to identify each individual account.
User Information:
Name: Your Name. For example John Doe
Organizaiton: You can leavethis blank.
Email: Your email address. For example mary@vel.net
Reply address: Your email address. For example mary@vel.net
Check the box if you want this account included everytime you check for email.
Servers tab
Server Information:
Incoming mail server type: POP3
Incoming mail (POP3): pop3.domain.com (for example: pop3.vel.net)
Outgoing mail (SMTP): smtp.domain.com (for example: smtp.vel.net)
Incoming Mail Server
Account name: Your e-mail address in this field. For example mary@vel.net
Password: Your e-mail password in this field.
Check the Remember password box if you don't want to have to type in your password whenever you check your e-mail.
Outgoing Mail Server
Check the My server requires authentication box in order to send mail out.
Select the Settings Button
Logon Information:
Select Log on using
Account name: username@domain.com (for example mary@vel.net)