mutt / sending e-mail (was: adding OAuth)

[Claus Assmann]

On Fri, Jun 01, 2018, russellbell at gmail.com wrote:

> 	I may misunderstand: I think mutt and all those other scripts
> call sendmail (or whatever resident SMTP server) to send messages.  Am
> I wrong?

It's configurable. See the fine mutt documentation.
set smtp_authenticators="GSSAPI:NTLM"
set smtp_url=smtp://USER@YOUR.ISP.MSA:587/

So if mutt implements OAuth, it can use it directly.
Maybe you should switch to that MUA? :-)