These are the settings you will need to use:

Name/Display Name: Your name
(i.e. John Doe or ACME Sales)

email address: Alias-you-chose@your-domain-name.com
(i.e. john@thedoes.com or sales@acme.com)

Incoming email server type: POP
(not IMAP)

Incoming mail (POP) server: pop.your-domain-name.com
(i.e. pop.thedoes.com or pop.acme.com)

Outgoing mail (SMTP) server: smtp.your-isp.com

Account/user ID/name: alias-you-chose@your-domain-name.com
(i.e. john@thedoes.com or sales@acme.com)

Account/user Password: password-you-chose
(case sensitive. This is optional, if you don't want to have to type in this password every time you send or receive mail)

Account Name: Enter what you would like to identify this account
(i.e. thedoes.com POP mail or acme.com POP mail)

Launch Outlook Express

Under "Tools" select "accounts..."

Select the "mail" tab.

If there are no accounts present, Please go to the next section of this FAQ called Connection Wizard.

If there is already an account and you are ready to change your email address, continue reading this section

Select the account by single-clicking on it.

Click the "Properties" button.

Under Mail Account, type in the name you would like to reffer to this account by.

Name: The name you would like displayed
(i.e. John Doe or ACME Sales)

Email address: Alias-you-chose@your-domain-name.com
(i.e. john@thedoes.com or sales@acme.com)

Click the "Servers" tab and input these settings:

Incoming email server type: POP (not IMAP)

Incoming mail (POP) server: pop.your-domain-name.com

Outgoing mail (SMTP) server: smtp.your-isp.com

Account ID: Your full email address: alias-you-chose@your-domain-name.com
(i.e. john@thedoes.com or sales@acme.com)

Password: password-you-chose (case sensitive)

Check the "My server requires authentication" box and click the "settings" button.
Make sure the "Use same settings as my incoming mail server" radio button is selected.
Click "OK".

Press "OK"

Press "Close"