On Wed, Feb 12, 2020 at 10:55:38AM +0000, Gerry O'Brien wrote:
Perhaps, I have misunderstood the Microsoft statement regarding support for IMAP with Exchange Online, which is our use case, not on-premisis Exchange. The paragraph below clearly states that they plan to drop certain types of access for Exchange Online.Have I misunderstood their statement? Is there a form of IMAP that uses something other than "Basic Authentication for Exchange Active Sync (EAS)"?
Hi Gerry,What they are changing is how you can log in to the IMAP server. So IMAP will still be supported, but not using the old "username/password" combination.
(Just a note that I'm not very knowledgeable about OAUTH. Others in this thread can probably provide better help and more correct details. That said my basic understanding follows:)
Instead, you will need to use something called OAUTH to log in. Starting with version 1.11.0, Mutt includes support for a particular framework called OAUTHBEARER. Rather than setting $imap_pass you instead need to use a script which will obtain a temporary access token. To do this, you set
set imap_authenticators="oauthbearer" set imap_oauth_refresh_command="[SCRIPT]" where you substitute [SCRIPT] for a script/program that will generate and print out those tokens for Exchange Online.Now, I don't know if there currently is such a script for Exchange Online. Perhaps others in this thread can chime in, or your local administrators may be able to help. You could point them to <http://www.mutt.org/doc/manual/#oauth> to show how Mutt is using a script for Gmail OAUTHBEARER and see if there is anything equivalent
that could be used for Exchange Online. Hope that helps, -- Kevin J. McCarthy GPG Fingerprint: 8975 A9B3 3AA3 7910 385C 5308 ADEF 7684 8031 6BDA
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