On 14-04-2021 16:19, Hendrik Boom wrote:
> I have an unreliable connection between my server and the rest of the
> world.
> Yes, I'm going to have to deal with that; it's not what I'm asking about.
>
> I have a reliable wired connection from my laptop to my server.
> And I run mutt on my server, connecting to it by ssh.
>
> What puzzles me is that every now and then, communication from my laptop to
> mutt mysteriously pauses. After a while, it resumes.
>
> Using a separate ssh connection to root on the server (which I use to
> monitor my unreliable connectino to the rest of the world), I've noticed:
>
> That separate ssh connection stays up when mutt blocks. But using
> ifconfig on that separate ssh connection tells me that pppoe connection to
> the rest of the world is off when mutt blocks.
>
> Why does mutt block, not even letting me type into the editor for an email
> I plan to send, when the ppp connection is down? What does mutt have to do
> with an internet connection? Isn't that postfix/s job?
>
> -- hendrik
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Most likely it does do a domain name lookup which times out by lack of a
ppp connection.

Grtz

Nick