Name server timeout and I/O error

[Julian Field]

 From what I can see, this is a sendmail / DNS resolution problem on
mr1.ucalgary.ca and not a MailScanner poblem at all.

At 23:04 19/02/2003, you wrote:
>Hello,
>
>We run MailScanner 4.12-2 and sendmail 8.11.6. I noticed we have
>many I/O error on our MailScanner server. I did some investigation.
>It seems that sendmail checks the domain names in the data part of
>the message. Is there a way to disable this kind of checking?
>
>
>
>[root at mhub2 mqueue]# time /usr/sbin/sendmail -v -qIh1GNRAw02189
>
>Running /var/spool/mqueue/h1GNRAw02189 (sequence 1 of 1)
><UNAME2 at ucalgary.ca>... Connecting to mr1.ucalgary.ca. via relay...
>220 mr1.ucalgary.ca ESMTP Postfix
> >>> EHLO mhub2.ucalgary.ca
>250-mr1.ucalgary.ca
>250-PIPELINING
>250-SIZE 61440000
>250-ETRN
>250-XVERP
>250 8BITMIME
> >>> MAIL From:<UNAME1 at telus.net> SIZE=18392
>250 Ok
> >>> RCPT To:<UNAME2 at ucalgary.ca>
>250 Ok
> >>> DATA
>354 End data with <CR><LF>.<CR><LF>
>evolution.optdeals.com: Name server timeout
>I/O error
>Closing connection to mr1.ucalgary.ca.
>
>real    3m44.565s
>user    0m0.010s
>sys     0m0.010s
>[root at mhub2 mqueue]# less qfh1GNRAw02189
>V4
>T1045438030
>K1045683344
>N1271
>P114563178
>I8/7/32232
>MI/O error: Input/output error
>Fwb
>$_mserve4.acs.ucalgary.ca [136.159.34.57]
>$rESMTP
>$sucalgary.ca
>${daemon_flags}
>${if_addr}136.159.34.162
>S<UNAME1 at telus.net>
>RPFD:<UNAME2 at ucalgary.ca>
>H?P?Return-Path: <<81>g>
>H??Received: from ucalgary.ca (mserve4.acs.ucalgary.ca [136.159.34.57])
>         by mhub1.ucalgary.ca (8.11.6/8.11.6) with ESMTP id h1GNRAw02189
>         for <UNAME2 at ucalgary.ca>; Sun, 16 Feb 2003 16:27:10 -0700
>H??Received: from outbound01.telus.net(199.185.220.220) by
>mserve4.acs.ucalgary.ca via smap (V2.0)
>         id ZZ167130; Sun, 16 Feb 2003 16:26:58 -0700
>H??Received: from Fpd ([66.222.233.176]) by
>priv-edtnes61.telusplanet.net
>           (InterMail vM.5.01.05.17 201-253-122-126-117-20021021) with
>SMTP
>           id
><20030216232654.HSNF15786.priv-edtnes61.telusplanet.net at Fpd>
>           for <UNAME2 at ucalgary.ca>; Sun, 16 Feb 2003 16:26:54 -0700
>H??From: UNAME3 <UNAME3 at evolution.optdeals.com>
>H??To: UNAME2 at ucalgary.ca
>H??Subject: {Virus?} A  IE 6.0 patch
>H??MIME-Version: 1.0
>H??Content-type: multipart/mixed; boundary="Qp0eXY28L6btnm994g"
>H??Message-Id:
><20030216232654.HSNF15786.priv-edtnes61.telusplanet.net at Fpd>
>H??Date: Sun, 16 Feb 2003 16:26:57 -0700
>H??X-MailScanner: Found to be infected
>H??X-MailScanner-Information: Please contact IT Help Desk at (403)
>220-5555 for more information
>.
>
>
>
>Thanks
>Kai Wang

--
Julian Field
www.MailScanner.info
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