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02/20/2009 at 02:32AM PST, ID: 24161389
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9.1

Exchange 2003 - How can this scanner be relaying SMTP mail through Virtual Server ???

Asked by cmuir in Exchange Email Server

Tags: Exchange 2003, virtual server

We have scanners installed that relay mail through exchange and have been adding in the IPs as relays before we commissioned but have missed a couple and strangely they still relay mail, without adding their IP addresses into allowed relay on our virtual server (VS). I've activated SMTP logging on the VS and can see the data below showing that the scanner (10.40.12.249) is relaying through this VS (SMTPSVC1) even though the IP is not in the specified relay list.

2009-02-19 15:05:32 10.40.12.249 RNPC94680 SMTPSVC1 UKEXBHMAN01 10.40.0.159 0 HELO - +RNPC94680 250 0 52 14 0 SMTP - - - -
2009-02-19 15:05:32 10.40.12.249 RNPC94680 SMTPSVC1 UKEXBHMAN01 10.40.0.159 0 MAIL - +FROM:<mfd.scanner@xxxxx.com> 250 0 51 38 0 SMTP - - - -
2009-02-19 15:05:32 10.40.12.249 RNPC94680 SMTPSVC1 UKEXBHMAN01 10.40.0.159 0 RCPT - +TO:<c@xxxxx.com> 250 0 29 26 0 SMTP - - - -
2009-02-19 15:05:32 10.40.12.249 RNPC94680 SMTPSVC1 UKEXBHMAN01 10.40.0.159 0 DATA - +<200902191502102N.DCSML-S001300000.000074C94680@10.40.12.249> 250 0 145 187451 94 SMTP - - - -
2009-02-19 15:05:32 10.40.12.249 RNPC94680 SMTPSVC1 UKEXBHMAN01 10.40.0.159 0 QUIT - RNPC94680 240 94 74 4 0 SMTP - - - -

I have since removed another existing relay for a similar scanner (stopped and started services) from Exchange and the scanner continues to relay - very strange.

The settings we have are the default (as below) with the addition of allowed relays.

---------------------------------------------------------------------------------------
Relay Restrictions
*Only the list below - selected and computers added
*Allow all computer which successfully authenticate to relay, regardless of the above list - Selected but if we remove this the scanners still relay.

Authentication
* Anonymous access - Selected
* resolve anonymous email - NOT Selected
* Basic authentication - Selected
* Requires TLS - NOT Selected
* Integrated Windows Authentication - Selected

Authenticated users have submit permission only
---------------------------------------------------------------------------------------

If anyone can spot why these are still relaying I would be very grateful. We would like to control what devices can send mail through exchange more than this if possible.

Cheers

C


[+][-]02/20/09 03:42 AM, ID: 23690912

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[+][-]02/20/09 03:43 AM, ID: 23690920

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[+][-]02/20/09 04:05 AM, ID: 23691044

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[+][-]02/20/09 04:09 AM, ID: 23691067

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[+][-]02/20/09 05:36 AM, ID: 23691624

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About this solution

Zone: Exchange Email Server
Tags: Exchange 2003, virtual server
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Solution Provided By: MNH1966
Participating Experts: 3
Solution Grade: A
 
 
 
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