Has anyone had any problems with using pop3 email clients with Exchange 5.5? The users who use Eudora as their email client and have accounts on Exchange are getting a message that Eudora is tired of waiting for a connection. I have found this message in the Application Event log on the server: An unauthenticated POP3 client 10.x.x.x issued the following command: CAPA. What does this mean? Any help is really appreciated Byron