From the Tools menu, choose Accounts... This will open the Internet Accounts box. Click add > and choose Mail. You will be presented with several screens.

Screen 1: Your Name

Display Name: Name you want displayed for this account
Click Next

Screen 2: Internet E-Mail Address

E-mail Address: Your Email Address
Click Next

Screen 3: Email Server Names

Incoming Mail (POP3, IMAP or HTTP) server: yoursite.com
Outgoing Mail (SMTP) server: yoursite.com
Click Next

Screen 4: Internet Mail Logon

Account Name: Email Username
Password: Email Password
Remember Password: Check
Click Next
Click Finish

Once back at the Internet Accounts Box, Choose Properties.

Server Authentication

Choose the Servers tab. Under the Outgoing Mail Server section, place a checkmark next to "My server requires authentication".

Note: The default setting for server authentication is to use the same settings as your incoming mail server. Therefore, you will not need to change anything in the settings for server authentication.

Leaving a Copy on the Server

This is also on the Advanced tab. Under the Delivery section, place a checkmark next to "Leave a copy of messages on server".

Congratulations, you've now setup Outlook 2000 to use your email account. Repeat the above steps to setup further email accounts.