Hello managers,
alas, I have no replies. It makes me think I'm alone watching "the phenomenon".
Sorry,
Irene
-------------------------------------->%--------------------------------------------
On Mon, 22 Jun 1998, Irene A. Shilikhina wrote:
>
> Hello managers,
>
> from time to time I detect a situation with sendmail which I cannot explain.
> It happens sometimes when my host functions as a mail exchanger. While the
> recipient host (and sendmail on it) is running OK, to my host (as MX) comes
> a mail which cannot be delivered to recipient. The matter is a fault in
> resolving the sender address. I make sure that resolving fails at both
> hosts, nevertheless it gets to mine while is rejected with the recipient.
>
> Besides, I suppose that trying to send the message to my host is done after
> the failure in sending one directly because both have MX records and the
> preference numbers are appropriate.
>
> In q-file in mqueue:
> Mhost map: lookup (1mallonline.com): deferred
>
> In x-file:
> 451 <webmaster_at_1mallonline.com>... 1mallonline.com: Name server timeout
>
> Having run nslookup by hand I make sure - the sender address is unresolvable:
> *** alpha.iae.nsk.su can't find 1mallonline.com: Server failed
>
> My questions:
> ------------
> - HOW does the message GET to my -mail exchanger- host? Why doesn't sendmail
> on MY host reject receiving such a message?
> - Is any miss in sendmail configuration on my or recipient hosts possible?
>
> Following is a fragment of mail.log file.
> Thanks,
> Irene
>
> ----------------------------------->%-------------------------------------
> Jun 21 09:41:43 alpha sendmail[2961]: JAA02961: from=<webmaster_at_1mallonline.com>
> , size=12817, class=0, pri=42817, nrcpts=1, msgid=<199806201907.EAA23498_at_cnnic.n
> et.cn>, proto=SMTP, relay=nm.cnnic.net.cn [159.226.1.8]
> Jun 21 09:51:43 alpha sendmail[3018]: JAA02961: timeout waiting for input from i
> ae.nsk.su. during client MAIL
> Jun 21 10:01:43 alpha sendmail[3018]: JAA02961: timeout waiting for input from i
> aebox.iae.nsk.su. during client MAIL
> Jun 21 10:01:43 alpha sendmail[3018]: JAA02961: to=<vad_at_iae.nsk.su>, delay=00:21
> :38, xdelay=00:20:00, mailer=esmtp, relay=iaebox.iae.nsk.su. [193.124.169.49], s
> tat=Deferred: Connection reset by iaebox.iae.nsk.su.
> Jun 21 10:13:26 alpha sendmail[3282]: JAA02961: timeout waiting for input from i
> ae.nsk.su. during client MAIL
> Jun 21 10:23:26 alpha sendmail[3282]: JAA02961: timeout waiting for input from i
> aebox.iae.nsk.su. during client MAIL
> Jun 21 10:23:26 alpha sendmail[3282]: JAA02961: to=<vad_at_iae.nsk.su>, delay=00:43
> :21, xdelay=00:20:09, mailer=esmtp, relay=iaebox.iae.nsk.su. [193.124.169.49], s
> tat=Deferred: Connection reset by iaebox.iae.nsk.su.
> .
> .
> .
> ------------------------------------>%----------------------------------------
>
Received on Tue Jun 23 1998 - 11:31:47 NZST