POP3 and IMAP4 authentication

Quite a lot of POP3 and IMAP4 clients are using plain text authentication by default. So do quite a lot of other POP3 and IMAP4 servers though.
From a security perspective this is not exactly what you want since it imposes a security risk. This is the reason Microsoft has enabled Secure Login by default on Exchange Server 2007 and Exchange Server 2010.

If you want to change this behaviour from Secure Login to plain tekst follow these steps:

  1. logon to the Exchange Server (2007 and 2010) and open the Exchange Management Console.
  2. navigate to the Client Access Server and in the results pane select the POP3 tab.

If you want to enable this behaviour using the Exchange Management Shell follow these steps. Logon to the Exchange Server (2007 and 2010) and open the Exchange Management Shell. Enter the following command:

Set-POPSettings <> -LoginType:1
Set-IMAPSettings -Server <> -LoginType:1

Please make sure that you restart either the POP3 or IMAP4 service for this change to become active.

 

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