how to set email attachment size limits on exchange 2010

how to configure exchange server 2010 to limit attachment sizes to 30mb for all staff.
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Deepu ChowdaryConnect With a Mentor Commented:
You can apply attachment size limits globally for the whole Exchange 2010 organization, or specifically for a particular connector or user objects.
Check this once.
FOX999085SAuthor Commented:
should i make the change under server config, hub transport, recieve connectors, General tab...max message size is currently set for 20480kb..

this means any attachment over 20mb will not be delivered..right?

Deepu ChowdaryConnect With a Mentor Commented:
Yes thats true..
also once check organzation wide settings.
If a attachment was rejected there how can it reach server..?
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MorasivaConnect With a Mentor Commented:
If you want set the attachment size limits globally follow the below steps.
•Go to your mailbox server.
•Open EMC.
•Go to Organization Configuration.
•Go to Hub Transport.
•Click the Global Settings tab.
Edit the Transport settings and change the parameters as you want.
Here is the link for clear picture.
XCONBLRConnect With a Mentor Commented:
If you want to receive or send 20MB, you need to set the size limit on the server atleast 20MB+(0.33*20MB) considering the fact that the MESSAGE SIZE BLOATS UP by 33% for MIME to MAPI and MAPI to MIME conversion.
FOX999085SAuthor Commented:
FOX999085SAuthor Commented:
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