mutt with exchange+okta?

[Gregory Anders]

On Fri, 11 Jun 2021 08:46 -0400, Ofer Inbar wrote:
>At past jobs I've always used mutt for internal email, but currently
>I'm at a company that uses Office 365 and will not enable IMAP on that
>service.  Reading between the lines (the IT department is not very open),
>and based on some searches for information on the web, I strongly suspect
>this is because Office 365 + Okta, which we use for SSO, doesn't work
>well with IMAP.  I'd still like to find some way to use mutt rather
>than rely on the horrible Outlook clients.
>
>Has anyone here found a workaround for this?
>Maybe you know of a way to actually enable IMAP and still require some
>short-lived token that can only be obtained from Okta?  Something I
>could suggest to our IT department?
>Or maybe there's some way to wire up some proxy that can fetch using
>Exchange protocol, and is Okta-aware, and can leave the mail it
>fetches in local maildir or mbox?
>Or anything else, I'm just vaguely brainstorming.
>
>(<y local machine is a MacBook, if that affects things)
>  -- Cos

You might look into DavMail, which provides a bridge between Office 
365/Exchange and IMAP.

I am in a similar situation, but unfortunately I have not been able to 
get DavMail to work. You might have better luck though.

Greg