To setup your Outlook 2003 client to work with Popmail:
Open Outlook
Click the Tools menu, and select E-mail Accounts...
Click Add a new e-mail account, then click Next.
Choose POP3 as your server type by clicking the radio button, and click Next.
Fill in all necessary fields to include the following information:
User Information Your Name: Enter your name as you would like it to appear in the From: field of outgoing messages. Email Address: Enter your full email address
Server Information Incoming mail server (IMAP): popmail.emeraldhost.net Outgoing mail server (SMTP): popmail.emeraldhost.net
Login Information User Name: Enter your full email address Password: Enter your password.
Click the More Settings... button in the E-mail Accounts menu to open the Internet E-mail Settings menu.
In the Internet E-mail Settings menu, click the Outgoing Server tab
Check the box, "My outgoing server (SMTP) requires authentication"
Choose the option "Use same settings as my incoming mail server"
Click the Advanced tab
Incoming server must be 995, and must use SSL encryption