Jakub Nadolny:
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> On Thu, Jul 09, 2009 at 05:36:58PM -0400, Wietse Venema wrote:
> > Jakub Nadolny:
> > > Jul 8 12:43:33 zonk postfix/qmgr[7095]: DF7C21811E53:
> > > from=<sender.n...@mycompany.pl>, size=4254293, nrcpt=2 (queue active)
> > > Jul 8 13:33:40 zonk postfix/qmgr[16317]: DF7C21811E53: skipped, still
> > > being delivered
> > > Jul 8 13:34:41 zonk postfix/qmgr[16317]: DF7C21811E53: skipped, still
> > > being delivered
> > >
> > > [...] messages repeated as above
> > >
> > > Jul 8 17:42:27 zonk postfix/qmgr[16317]: DF7C21811E53: skipped, still
> > > being delivered
> >
> > You have an SMTP client process that hangs. Normally, Postfix
> > will terminate it after five hours (main.cf:daemon_timeout).
>
> It looks like there should be another reason for that:
>
> # postconf |grep -i daemon_timeout
> daemon_timeout = 18000s
>
> What about active/deferred queue? Mail was deferred by remote host, but it
> stays
> in active queue and postfix is not trying to resend it any more.
One SMTP client process was delivering message DF7C21811E53, and
that process hangs.
THIS IS WHY YOU SEE THE 'DF7C21811E53: SKIPPED,
STILL BEING DELIVERED' MESSAGE IN THE LOGFILE.
Normally, a watchdog timer will terminate such a process, and the
master will log a warning when that happens. The time limit is
specified with (main.cf:daemon_timeout, and is 1800s or five hours.
Wietse
