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Exchange 2010 Receive Connector

Posted on 2014-09-15
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Last Modified: 2014-09-15
Trying to get to the bottom of why attachments of c8mb are being bounced back by what seems to be our exchange server(s).
The mail is being received by our cloud mail partner.
Error:

552 5.3.4 Message size exceeds fixed maximum message size      

Exchange receive connectors are set to 10mb.
THere is no attachment size policy in the cloud.

2x Exch SP3 Ud6.

Ideas?
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Question by:CHI-LTD
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4 Comments
 
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Accepted Solution

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Mark Galvin earned 2000 total points
ID: 40322793
When you say 8MB its likley that the system is seeing that as too close to 10MB and blocking.

Can you set the connector to be 15mg and see if it gets through?
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Author Comment

by:CHI-LTD
ID: 40322807
think ive cracked it.
i wanted to know why before i changed settings.

i see attachments increase by 33% so may be why.

will increase transport etc..
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LVL 1

Author Comment

by:CHI-LTD
ID: 40322864
right, changed what i thought was all i need to change - from 10mb to 25mb.
Not working.  Do i need to restart transport service?

THe internal and external dnsmaxmessageattachsize still showing 10mb...
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LVL 13

Expert Comment

by:Mark Galvin
ID: 40323033
You should restart the transport service and then check again.
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