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"552 5.3.4 Message size exceeds fixed maximum message size" on SBS 2008

For some reason I am getting this message bounced back when a a large message is sent to a customers SBS 2008 server

Have double checked the receive connector settings and thats set for 30MB on each on the connectors and the maximum per mailbox is set to unlimited.

Have checked against this article

http://blogs.technet.com/b/sbs/archive/2008/10/28/how-do-i-change-message-size-limits-in-exchange-2007.aspx

Was working til recently (not sure when it stopped working)

Anyone got any ideas?

SOLUTION

RickEpnet

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dolphinituk

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Just checked Global, Connector, Server and User limits and they are all 30MB or higher

SOLUTION

RickEpnet

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ASKER CERTIFIED SOLUTION

Neil Russell

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dolphinituk

ASKER

Message is coming from customers server

Test message Im sending is about 25MB

Just done a reboot of server instead of restarting transport service. Dont think it will make any difference but at least shows the customer I am doing something

dolphinituk

ASKER

For some reason has started working ok now (sent them a 20MB) message fine. Not sure why as didnt work just after the reboot. Will split points between the 3 answers as not sure what fixed it

dolphinituk

ASKER

Not sure why it was fixed in end

&quot;552 5.3.4 Message size exceeds fixed maximum message size&quot; on SBS 2008

"552 5.3.4 Message size exceeds fixed maximum message size" on SBS 2008