Jukka Salmi --> dkim-milter-discuss (2008-04-18 11:32:59 +0200):
> Hello,
>
> Murray S. Kucherawy --> dkim-milter-discuss (2008-04-10 16:27:17 -0700):
> > Make the attached patch to libmilter, rebuild your library and then
> > relink dkim-filter, and let 'er rip. This will log a message for every
> > piece of I/O between the filter and the MTA so the increase in your mail
> > log could be substantial, and will also log a message if a milter
> > callback returns a non-standard value (which skips the reply, which may
> > be the problem). Unfortunately it looks like this is the best next step
> > to isolating the problem.
> >
> > Talk to you in about a week, right? :-)
>
> a week and a day later the (probably same) problem happened on my
> secondary MX (mx2); previously it only happened on my primary MX (mx1).
Yesterday I saw the problem on my primary MX. The relevant parts of
the MTA logs are available [1]here.
Chronological order of events:
- connect from first client (guinness.omniscient.com, connection 1 in
the following)
- connect from second client (suckless.org, connection 2) one second
later
- dkim-milter fails to parse message from connection 1 but successfully
verifies it:
failed to parse Authentication-Results: header
DKIM verification successful
- connect from third client (mail.netbsd.org, connection 3) about a
minute later
- immediate milter-reject for message from connection 3:
can't read SMFIC_BODYEOB reply packet header: Undefined error: 0
"X-DKIM" header add failed
- reception of that rejected message via secondary MX (mx2.salmi.ch)
- some minutes later: milter-reject for messages from connections 1
and 2:
can't read SMFIC_BODYEOB reply packet header: Operation timed out
- reception of those rejected messages via secondary MX
> Please tell if I should provide more information.
Still true...
Regards, Jukka
[1] http://salmi.ch/~jukka/dkim-milter/maillog.libmilterdebug
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