My guess is lookup try to add or change dns server or put something in the host file see what happen.
-- Sent from iPhone > On sabato, feb 10, 2024 at 19:53, Jeff Koch <[email protected] > (mailto:[email protected])> wrote: > Hi List: > > Maybe you can advise on this. > > I am sending an email with a 23MB attachment from one QMT mailserver to > another. Both QMT server are on the same AWS network. However, the email gets > deferred with: > > 21:03:30.201449500 starting delivery 513699: msg 397530692 > > 21:04:10.328736500 delivery 513699: > deferral:..............................failed_after_I_sent_the_message./Remote_host_said:_421_Tim > eout._Talk_faster_next_time./ > > > Any idea what I should look at? It's only 40 seconds from the start of the > delivery to the 'Timeout'. > > Spamdyke timeout settings on the receiving server: > > idle-timeout-secs=30 > connection-timeout-secs=1800 > > Thanks, Jeff Koch
