Event ID: 1023 Source: IMAP4SVC or POP3SVC

I am receiving a bunch of these messages and they appear to be coming from Mac computers.
Greg27Asked:
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ZupremeConnect With a Mentor Commented:
Please refer to the following article:  http://support.microsoft.com/kb/329168

You can either ignore these errors (the easiest way) or you can install Entourage for your Mac clients, which uses Webdav and should not generate these errors.
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Greg27Author Commented:
Sorry, I forgot to mention this is on an Exchange 2003 server on a Windows 2003 Server.
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Matt VCommented:
Do you have Mac clients on your network?

If so, they probably have email setup incorrectly.
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Greg27Author Commented:
Yes, we have Mac's clients on our network. Any idea what I should tell my Mac guy to fix to correct this? I don't know the Mac side.
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Matt VCommented:
Just off the top of my head, it looks like the Mac mail client is trying to use authenticated or encrypted connections first and then failing back until something actually works.  Have him verify the server authentication and encryption settings are correct on the clients.
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vanbarsounCommented:
Tell him to check the login info for the email account(s) that they're connecting to on your Exchange server, to make sure they're correct.
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