When you use a POP3/IMAP client such as Microsoft Outlook Express to log on to your mail server, you receive an error message similar to the following:
There was a problem logging onto your mail server. Your Password was rejected. Account: 'user@domain.com', Server: 'Server', Protocol: POP3, Server Response: '-ERR The requested item could not be found.', Port: 110, Secure(SSL): No, Server Error: 0x800CCC90, Error Number: 0x800CCC92