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crp0499Flag for United States of America

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Exchange 2010 message size, leaving limits blank

What is the effect of leaving message size options blank?

I noticed that in both the hub transport and under the individual user, the message size is blank.  What is the impact of this?  

Will Exchange allow messages of ANY size or is there a built-in default?

It seems to me that this is bad but wanted some feedback...

Thoughts

Cliff
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aa-denver
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It means Unrestricted for that specific spot.  There are a few spots to set size restrictions:

The Database:
Organization Configuration > Mailbox > Database Management > Properties > Limits Tab

Global:
Organization Configuration > Hub Transport > Global Settings > Transport Settings > Properties

Send Connectors:
Organization Configuration > Hub Transport > Properties > General Tab

Receive Connectors:
Server Configuration > Hub Transport > Properties > General Tab

Mailboxs:
Properties of the mailbox > Mailbox Settings Tab > Storage Quotas

**Note**  Also it can take up to roughly 2 hours for the settings to take place unless you do a reboot of either the exchange server or a couple of the services like the transport and information store.