Birta Levente:
> On 21/02/2014 15:44, Wietse Venema wrote:
> > The behavior that you seem to prefer (throttle down
> > domains after 4XX reply to "MAIL FROM") is really a bug in the
> > Postfix SMTP client implementation.
> >
> > Postfix normally does not throttle down domains after 4XX reply to
> > "MAIL FROM". The bug is that Postfix treats server-side disconnect
> > after 421 reply as a "lost connection" error.
> >
> > So you should not rely on this old bug forever. It will eventually
> > be fixed.
> >
> Get it.
> Thank you
Moreover, snapshot 20140219 does not change anything: the test that
I added is a NOOP. Thus, the 20140219 SMTP client behaves the same
way as the 20140209 client.
Meanwhile I have found how to fix the old bug that I mentioned
above.
With future releases, the SMTP client won't throttle down the
destination when the last MX host hangs up after sending a 4XX or
5XX reply to "MAIL FROM". Instead the SMTP client will handle this
in the same way as when the server did not hang up.
Wietse
