To configure your POP mail client to leave a copy of your messages, follow these steps:

Microsoft Outlook Express and Outlook 2000

1.) Click Tools
2.) Click Accounts
3.) Double-click your domain pop account
4.) Click the Advanced tab
5.) Verify that Leave a Copy of Messages of Server is checked

Microsoft Outlook 2002 (XP) and 2003

1.) Click Tools
2.) Click Email Accounts
3.) Click View or Change Existing Email Accounts and click Next
4.) Double-click your domain pop account
5.) Click the More Settings button
6.) Click the Advanced tab
7.) Verify that 'Leave a Copy of Messages of Server' is checked

Mozilla Thunderbird 

1.) Click Tools
2.) Click Account Settings
3.) Click Server Settings underneath your domain pop account
4.) Verify that 'Leave messages on server' is checked in the server settings section

Apple Mail 

1.) Click Mail
2.) Click Preferences
3.) Click your domain pop account
4.) Click the Advanced button
5.) Verify that 'Remove copy from server after retrieving a message' is UNCHECKED.

Microsoft Entourage 

1.) Click Tools
2.) Click Accounts
3.) Double-click your domain pop account
4.) Click the Options button
5.) Verify that 'Leave a copy of each message on the server' is checked

Qualcomm Eudora 

1.) Click the Eudora menu
2.) Click Preferences
3.) Click the Checking Mail icon
4.) Verify that 'Leave on server for ... days' is checked
5.) Fill in number if desired