RE: Transmission problem

  • From: "Stephen Hartley" <support@xxxxxxxxxxxxxxxxx>
  • To: "'[ExchangeList]'" <exchangelist@xxxxxxxxxxxxx>
  • Date: Mon, 28 Jul 2003 11:42:30 +1000

I have found this sort of issue when using eScan. If I disable the mail
scanning, problem is resolved. Check what other services are running
when trying to send e-mail

Stephen Hartley

-----Original Message-----
From: Mark Hippenstiel [mailto:M.Hippenstiel@xxxxxxxxxxxx] 
Sent: Monday, July 28, 2003 3:09 AM
To: [ExchangeList]
Subject: [exchangelist] Transmission problem


I'm new to this list - might as well introduce myself. I'm a system
administrator in the line of MS products, looking back on a career of 10
years now. I live in Germany. Any other questions feel free to ask :)

To the topic:

I experience a strange issue when sending mails that contain an
attachment. I send mails via smarthost, and my exchange 2000 sp3 is
behind isa server. With increasing attachment size, the probability of
successful delivery decreases, e.g. sending a 8 mb file never works, 100
byte always works, and everything in between results in the email being
delivered multiple times, either sitting in the outbound queue forever
or getting removed from the queue eventually.

With the help of my ISP I found out that on the smart host side an
interruption of communications is logged. I found no errors in my
logfiles however. I think I can rule out ISA as a culprit as well. 

Hopefully one of you has a good idea. I'm not really a troubleshoort as
it comes to exchange, so I'd be grateful for any directives in that


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