[24367] in Kerberos

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Re: Kerberos ticket access to MS Exchange

daemon@ATHENA.MIT.EDU (Rodney M Dyer)
Sun Jul 31 16:10:55 2005

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Date: Sun, 31 Jul 2005 16:10:04 -0400
To: Nikola Milutinovic <Nikola.Milutinovic@ev.co.yu>, kerberos@mit.edu
From: Rodney M Dyer <rmdyer@uncc.edu>
In-Reply-To: <42ED18F4.8020403@ev.co.yu>
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At 02:31 PM 7/31/2005, Nikola Milutinovic wrote:

>How about IMAP kerberized client in general? I'm using Cyrus IMAP 2.2.10 
>on Tru64 UNIX and it lives in a MS ADS envirnoment. Will both MS Outlook 
>Express and MS Outlook 2003/XP work as GSSAPI clients? I thought I heard 
>that Mulberry from Cyrusoft was also Kerberized. Of course, it is not free.

Sure, you can find several Kerberized IMAP servers and clients.  And you 
can use Microsoft's Active Directory for your Kerberos KDC, no 
problem.  You just can't use Outlook, or Microsoft Exchange IMAP with 
anyone elses KDC.  Microsoft has made sure that in setting up a Kerberized 
network environment you should always use "their" server products as your 
KDCs.  Use anything else and you will not be forgiven.  You want to use MIT 
KDC, or Hesiod, forget it.  You will expend to much time and effort on 
something that will eventually not work anyway.  The funny thing is, if you 
are going to store passwords on your Microsoft AD server acting as a KDC, 
then what is the point of having a KDC in the first place...in terms of 
Microsoft authentication?  This is why I say that Microsoft uses Kerberos 
just to appease the 'nix natives.  It certainly has little use in their own 
products.

Rodney 

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