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Thread: [SOLVED] Zimbra & Outlook Self Signed Cert Error?

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    Jul 2008
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    Default [SOLVED] Zimbra & Outlook Self Signed Cert Error?

    Hello all,

    I think I have narrowed down my troubles for a remote user to that of certificate problems.

    I have found what I believe to be the latest cert I created in this directory, /opt/zimbra/ssl/zimbra/ca/newcerts/. I have downloaded the .pem, renamed it to .crt so that I can import into the Windows Certificate store. It imports successfully, and I verify that the expiration date matches that of the one displayed in the Admin Console.

    However, when I try and send an email from within Outlook with my mail server setup as an IMAP connection, I see the following error in my logs:

    Sep 21 13:16:19 mail postfix/smtpd[8723]: lost connection after EHLO from (hostname removed) [ip removed]
    I have disabled zimbraMtaTlsAuthOnly, and the account can send email fine. When it's set to TRUE I run into this problem, which is why I don't think Outlook is playing nicely with my certificates - even after I have imported them into Windows.

    I'm at a loss here.

    Any thoughts?

    Last edited by drsprite; 09-21-2010 at 10:33 AM.

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