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Re: Duplicate emails on Zmailer 2.99.55
On Fri, Jun 15, 2001 at 10:30:09AM -0400, email@example.com wrote:
> I could realy use some help here, some of my end users are getting randomly
> duplicate emails, it seems like there is a timeout or a delay is messing up.
> I have checked the FAQ nothing there, searched news groups. Well anyway this
> is a cutout from my maillog.
> I dont know if you guys need more info, if so please notify me
> Jun 10 05:38:35 ns smtp: S250217AbRFHMsj: to=<firstname.lastname@example.org>,
> delay=44:49:56, xdelay=00:00:01, mailer=smtp, stat=deferred ^M
> remote hung up on us while 1 responses missing cvt=NONE
"protect the innocent" (sanitize data) is ok, but is
there really no relay= part in between mailer= and stat= ??
If not, that would give me a clue of its own..
What kind of machine is that into which the delivery is
attempted ? That is, what SMTP server software it runs ?
Could it be closing the reception session by crashing the MTA
at the remote end due to some resource exhaustion ?
You could route email to the destination domain.name via
the smtp-log! channel. See examples in the start comments
of file proto/db/routes in the source tree.
That channel will log the entire outgoing smtp sessions
(when called for it via e.g. routing) $LOGDIR/smtp-log file.
Remaining task after few days/a week(?) of data collection is
then to pick delivery sessions where deferrence is logged, but
delivery has been done.
Sending selected samples of that log could supply a clue if
something is wrong -- which is possible.
I have also published a 2.99.55-patch1, which contains several
pipelining related syncing problem fixes, although even after that
I have seen, and fixed, one additional syncup problem.
Still I am not sure that any of the problems I had spotted have
anything to do with the case which yours appears to be...
/Matti Aarnio <email@example.com>
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