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Thread: Does Zimbra support IMAP Secure Authentication?

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    Nov 2005
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    Default Does Zimbra support IMAP Secure Authentication?

    Hi All

    When I select "Use secure authentication" in my IMAP server settings in Thunderbird, I get this error "You cannot log in to because you have enabled secure authentication and this server does not support it. " (see attached screenshots).

    My question - does Zimbra support IMAP Secure Authentication?
    Is there anything I should do on the Zimbra server?
    Everything seems working in Zimbra - nothing in zimbra.log.
    All services running - including saslauthd (although I don't know if this is related to Secure authentication).

    I am using Zimbra 3.1 on Fedora 4.
    "Use SSL connection" in Thunderbird works, but "Use secure authentication" does not.
    I've also enabled both "Use SSL" and "Use secure authentication" at the same time, but it still gave the same error message.

    From my understanding, Thunderbird IMAP server settting "Use secure authentication" means that the client and server negotiate whether they want to use CRAM-MD5, MD5-digest or Kerberos to authenticate the user without sending the password across the network.
    Now, does Zimbra support this? Can somebody advise?

    Thank you very much in anticipation.

    Attached Images Attached Images
    Last edited by zzzzsg; 05-16-2006 at 09:33 AM.

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