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Receive email error #5.2.3

Posted on 2008-11-11
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Last Modified: 2012-05-05
We have an Upgraded Exchange 2007 servers in an SErver 2003 Enviroment, when every I attempt to send an email into the company over 4.5mb I get an error from hotmail :
Reporting-MTA: dns;bay0-omc1-s7.bay0.hotmail.com
Received-From-MTA: dns;BAY117-W38
Arrival-Date: Tue, 11 Nov 2008 03:55:14 -0800

Final-Recipient: rfc822;lee@syspal.co.uk
Action: failed
Status: 5.2.3
Diagnostic-Code: smtp;450 5.2.3 Msg Size greater than allowed by Remote Host

After some research here I've done the following :
Gone to --> ADSIEdit --> Configuration --> Services --> Microsoft Exchange (org) -> Global Settings --> Right Click Message Delivery -> Properties, and checked delivContLength and submissionContLength, they are both set to 80960.

I've checked the receiving user and the limits are not set, thus it should pull it from the global limiter.
The Get-Transportconfig command displays :
ClearCategories                : True
DSNConversionMode              : UseExchangeDSNs
GenerateCopyOfDSNFor           : {5.4.8, 5.4.6, 5.4.4, 5.2.4, 5.2.0, 5.1.4}
InternalSMTPServers            : {192.168.1.15}
JournalingReportNdrTo          : <>
MaxDumpsterSizePerStorageGroup : 18MB
MaxDumpsterTime                : 7.00:00:00
MaxReceiveSize                 : 80960KB
MaxRecipientEnvelopeLimit      : 100
MaxSendSize                    : 80960KB
TLSReceiveDomainSecureList     : {}
TLSSendDomainSecureList        : {}
VerifySecureSubmitEnabled      : False
VoicemailJournalingEnabled     : True
WritingBrandingInDSNEnabled    : True
Xexch50Enabled                 : True

I did change the limit's about 1/2hr ago, will I need to reboot to effect changes ? is there a time delay?  HAVE I missed something somewhere ?
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Question by:thegiantsmurf
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12 Comments
 
LVL 12

Expert Comment

by:florin_s
ID: 22930360
Hi,

you can use this link to troubleshoot NDR's:

http://www.computerperformance.co.uk/exchange2003/exchange2003_NDR.htm

you have to set the limit on the inbound connector from your exchange server, I did not modify like you did until now but normally you do not have to reboot anything after modifications in ADSI, you just have to wait for a bit

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Author Comment

by:thegiantsmurf
ID: 22948970
The link helps identify the errors (brilliant bookmarked website)
I still have the problem of emails not getting in.  Is there anything else I can try ?
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LVL 12

Expert Comment

by:florin_s
ID: 22949589
If you have set the limit of the connector(realy) then do you have an antivirus in your organisation.
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Author Comment

by:thegiantsmurf
ID: 22950086
I have Eset Nod32 running on the server, I dont see how this will effect the limits
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LVL 12

Expert Comment

by:florin_s
ID: 22950332
try to disable the antivirus and then send a message over 4,5 mb
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Author Comment

by:thegiantsmurf
ID: 22951857
I've now been playing, with the Anti-virus running BUT Marshal for Exchange 2007 off, then emails come in fine.  So I can confirm that Marshal is blocking emails over 4mb.  I've pinged a support question over to them.
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LVL 12

Expert Comment

by:florin_s
ID: 22953644
ok ,

but maybe you can look in the settings and you can find something.
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Author Comment

by:thegiantsmurf
ID: 22976598
Is there anything (software wise or commands) I can run which will tell me if it's Exchange that's stopping the email from comming in, I've never played with telnet, but will this help me ?
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Author Comment

by:thegiantsmurf
ID: 22976686
Please find attached file, results.txt
It contains the results from the follwing commands from EMS:
GET-TRANSPORTCONFIG
Get-receiveconnector | List
Get-sendconnector | List

Is there anything else I can run which will give me the right results ?
results.txt
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Accepted Solution

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florin_s earned 1500 total points
ID: 22982634
Your exchange config looks ok, but I ment to look in the settings of the antivirus, maybe you can find something there, like to enlarge the limit of the permitted delivery for mails, anyway I will try to find some similar topics or a manual for this antivirus to see how it behaves with exchange.

What about  the question that you posted to the antivirus support, did they tell you something?
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Author Comment

by:thegiantsmurf
ID: 22995015
The exchange settings are all correct, the problem is solved.
I think it was our firewall which was bouncing the headers, my fellow worker put the limit too low thus it was boucning the headers in the 'Relay' setting of our smoothwall.  Now I've changed it to 50kb not 20kb and also rebooted the domain controllers and  email server.

It could have been the reboot forcing the AD changes, but I've messed about so much with everything.
AD / Exchange / Firewall etc.

Thanks for your help anyway.
TheGiantSmurf.
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Author Closing Comment

by:thegiantsmurf
ID: 31515477
Thanks for the legup
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