MBOX-Line: From dkarp at zimbra.com  Fri Jan 13 09:07:15 2012
To: imap-protocol@u.washington.edu
From: Dan Karp <dkarp@zimbra.com>
Date: Fri Jun  8 12:34:47 2018
Subject: [Imap-protocol] which IMAP servers support support SASL
	authorization vs. authentication ID?
In-Reply-To: <alpine.OSX.2.00.1201130725430.38441@hsinghsing.panda.com>
References: <alpine.OSX.2.00.1201130725430.38441@hsinghsing.panda.com>
Message-ID: <154341216.56862.1326474435819.JavaMail.root@dogfood.zimbra.com>

> I have been tasked to identify which IMAP servers support the SASL
> concept of authorization vs. authentication ID and if it is suitable
> to allow impersonation; that is to proxy to various user accounts.

Zimbra supports this.  (I won't get into the details of the rules that
govern when a given authzid/authcid pair will work unless you really
care.  It can get complicated.)

- Dan

