Re: Rmail: toggle between summary and message buffers

[Eli Zaretskii]

> Date: Fri, 21 Jun 2019 06:20:04 +0200
> From: Xavier Maillard <xavier@maillard.im>
> Cc: help-gnu-emacs@gnu.org
> 
> > When I use Rmail I only have the rmail buffer and the summary buffer
> > open.  I don't have any more windows in that frame.
> 
> That's not the case here. Worse, when I send an email (C-c C-c), I am not 
> returning back to my rmail window, it just randomly goes back the scratch 
> buffer.

Don't use "C-c C-c".  Use "C-c C-s" instead, and have a separate frame
for the *mail* buffer where you compose and send email.  Then Emacs
will not mess up your windows in the Rmail frame.