You receive an error message when you connect to POP3 and SMTP servers that use NTLM version 1 in Entourage 2004 for Mac

This article has been archived. It is offered "as is" and will no longer be updated.
When you try to send or to receive e-mail messages in Microsoft Entourage 2004 for Mac, you may receive an error message that is similar to one of the following:

Error message 1
Authentication failed because Entourage doesn't support any of the available authentication methods.
Error message 2
Mail could not be received at this time. The server for account "xxxxx" returned the error "command not implemented." Your username/password or security settings may be incorrect. Would you like to try re-entering your password?
This problem occurs when the Post Office Protocol version 3 (POP3) server or the Simple Mail Transfer Protocol (SMTP) server uses NTLM version 1 authentication. Entourage 2004 for Mac no longer supports NTLM version 1 authentication.

Note Earlier versions of MSN, The Microsoft Network, POP3 servers or SMTP servers may still use NTLM version 1 authentication.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More information
For more information about how to migrate an earlier MSN account to a Hotmail account, visit the following Microsoft Web site, and then download Microsoft MSN Messenger for Mac:
For additional information about how to set up a Hotmail account in Microsoft Entourage, click the following article number to view the article in the Microsoft Knowledge Base:
272573 How to set up Entourage to send and receive Hotmail

Article ID: 842882 - Last Review: 01/12/2015 23:43:44 - Revision: 4.0

Microsoft Entourage 2004 for Mac

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