On Sat 06 Jan 2018 at 05:32, John Wiegley wrote: > CC> Is there any interest in a patch? > > This sounds useful to me. How will users know to enable the extra behavior? I'm not sure what you mean, but one of the challenges here will be to document this properly. My plan is to add a new variable 'smtpmail-xoauth2-token' that if non-nil both enables the behavior and configures the service, and to document it to exhaustion. -- Cesar Crusius