Sendmail/mailscanner intermittent problem with sendmail accepting messages but not being handed to mailscanner

Scott Silva ssilva at
Fri Jun 20 19:03:15 IST 2008

on 6-20-2008 6:16 AM Gordon Colyn spake the following:
> ITNT BannerI have a problem where I am getting mail delivered to our servers 
> (problem is on all 4) and showing up in the log but not being handled by 
> Mailscanner.  I only see one line in the log confirming that the mail was 
> accepted by sendmail, but then nothing after that;
> Anyone have any ideas?
> Example;
> sendmail[8388]: m5K9VKpL008388: from=<bouncebox at>, size=0, class=0, 
> nrcpts=1, proto=ESMTP, daemon=MTA, []
> and
> sendmail[7246]: m5K9S7tF007246: from=<bouncebox at>, size=0, class=0, 
> nrcpts=1, proto=ESMTP, daemon=MTA, []
> I should see this;
> sentinal sendmail[21377]: m5KDF2r7021377: from=<bstangeb at>, 
> size=2534, class=0, nrcpts=1, 
> msgid=<000a01c8d2d7$04661f3d$8d3f1f8d at evvrwqfu>, proto=ESMTP, daemon=MTA, 
> [] (may be forged)
> sendmail[21377]: m5KDF2r7021377: to=<salesd at>, delay=00:00:01, 
> mailer=esmtp, pri=32534, stat=queued
> MailScanner[13169]: Logging message m5KDF2r7021377 to SQL
>  MailScanner[13148]: m5KDF2r7021377: Logged to MailWatch SQL
> I have this issue on a number of emails from different senders, this is just 
> 2 of many examples.
> I am running Mailscanner 4.69.9, sendmail 8.14.1, spamassassin 3.2.5, clamd 
> 0.93
Looks like the sending server is timing out before the data phase. See the 
entries with size=0. Maybe your dns is too slow, or you have a rbl like zen 
that has blocked your connections. The default timeout for sendmail is pretty 

MailScanner is like deodorant...
You hope everybody uses it, and
you notice quickly if they don't!!!!

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