Re: General DNS config questions

Tech-Archive recommends: Fix windows errors by optimizing your registry

"Max C" <maxc246@xxxxxxxxx> wrote in message news:1180542979.583726.97370@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

[snip]

Yes, *most* of the delayed emails eventually arrive. When I check the
headers, the servers they go through look nearly identical (with small
variations of the many server names at Hotmail.) The only difference
I can find is that the time gap between the last Hotmail server and my
Spam filter is MUCH larger on delayed emails. Here's an example of
one of the delayed email headers.

Received: from nssco_spam.nssco.com (10.1.1.27) by Exchange.nssco.com
(10.1.1.17) with Microsoft SMTP Server id 8.0.685.24; Thu, 17 May
2007
14:04:08 -0500
********************************************
Received: from bay0-omc1-s21.bay0.hotmail.com ([65.54.246.93]) by
nssco_spam.nssco.com (SonicWALL 5.0.3.8711) with ESMTP; Thu, 17 May
2007
14:03:51 -0500
Received: from hotmail.com ([65.54.174.13]) by bay0-omc1-
s21.bay0.hotmail.com
with Microsoft SMTPSVC(6.0.3790.2668); Wed, 16 May 2007 15:08:28
-0700
********************************************
Received: from mail pickup service by hotmail.com with Microsoft
SMTPSVC;
Wed, 16 May 2007 15:08:28 -0700
Message-ID: <BAY103-F324BD406DD8779E10C89FB73C0@xxxxxxx>
Received: from 65.54.174.200 by by103fd.bay103.hotmail.msn.com with
HTTP; Wed,
16 May 2007 22:08:25 GMT

I put "********************************************" around the
section of importance. As you can see, it took nearly a full day for
this simple, one word email to arrive from hotmail. That email was
sent at the exact same time that 9 others were sent... 7 of those
arrived nearly instantly. The other 3 arrived spread out across the
following 24 hours.

During that same time, we were receiving hundreds of other emails.

Like you, I feel that the clues are not leading to a DNS issue, but I
feel I've confirmed that these emails just get stuck out on the
internet for no good reason, so I'm stumped.

Yes, very strange. The only DNS problem here would be if "nssco_spam" wasn't listed as your MX and/or there was no A record for it.

Also, just as an aside, Office Communication Server also uses SRV records... :-)

.

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