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Re: smtp.c ignoring 451?
On Wed, Jun 29, 2005 at 04:48:17PM -0400, Peter Ip wrote:
> We're running 2.99.55. We've discovered entries in our mail log like:
> Jun 29 03:32:56 mymachine smtp: S1355559AbVF2HcX:
> to=<email@example.com>, delay=00:00:33, xdelay=00:00:23, mailer=smtp,
> relay=mx3b.mail.yahoo.co.kr ([220.127.116.11|25|18.104.22.168|60522]),
> stat=ok3 ^M->> 451 mta104.mail.krs.yahoo.com Resources temporarily
> unavailable. Please try again later [#4.16.5]. cvt=NONE
> The 'stat=ok3' suggests that smtp.c thinks the message was successfully
> delivered. But the other end clearly sent a '451'. The user says they
> never got the message at the other end, e.g. yahoo.com.
> There are many other log records where the '451' results in stat=deferred
> or stat=retryat which then results in subsequent attempts. So not all
> 451's result in dropped messages.
This sounds familiar.
I recall having seen something like this, when there was PIPELINING
capability declared by the remote system.
I can't find anything referring to it in the ChangeLog, but it doesn't
happen anymore, either. (Checking vger.kernel.org logs.)
... 20 seconds latter ...
2002-04-05 Matti Aarnio <firstname.lastname@example.org>
* transports/smtp/smtp.h, transports/smtp/smtp.c:
Debugging oddball 'yield OK when DEFER is correct' problems..
.. and fixed the blunder in the call of smtpopen().
That must be it.
> Peter Ip, PhD
> Computing and Network Services, University of Toronto
> email: email@example.com
/Matti Aarnio <firstname.lastname@example.org>
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