Message attachment size.
Can some please explain how to configure the attachment size restriction.This is an Exchange 2007 SP1 fresh installation with NO existing Exchange 2003 in a new domain.I have CAS, Mailbox & HT on a server and an edge server on a different server in the DMZ.I require to restrict all users to 10MB attachment with an exception of 5 users to 15MB for both send and recieve.2 Users are POP3 user, 1 user is a Outlook Anywhere user,1 Users is OWA user & 1 user is ActiveSync user.I have set the Organizational/Global limit to 15MB using set-transportconfig on the CAS/HT/MB server. Do I need to do something on the Edge server?When I use get-mailbox, I see the MaxSendSize & MaxReceiveSize to be unlimited for all users and 15MB for the 5 users.Will all users be able to send 15MB attachments? If I need to restrict all users to 10Mb and the other 5 users to 15MB, do I need to manually edit the MaxSendSize & MaxReceiveSize for all users to 10MB except for the 5 users.I am bit confused after reading the documentationThanks in advanceliby
May 7th, 2009 10:48am

for this to work in addition to the 15MB limit on the Global Settings, you need to adjust the send/receive limit to be 10MB for all users except the 5 users that you want to give them extra size. The easiest way to do so is moving the users that you want to restrict the size to 10 MB into seperate Organizational Unit and run the following cmdlet:Get-Mailbox -OrganizationalUnit "YourDomain.com/OU" | Set-Mailbox -MaxSendSize10485760-MaxReceiveSize 10485760Regards,Wissam Wissam Harfouche | MCITP:EMA | MCTS:SCCM | CCNA
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May 7th, 2009 4:13pm

I agree with Wissam. Regarding message size limit, a great article share with you:http://exchangeshare.wordpress.com/2008/04/24/exchange-2007-where-to-set-message-mail-size-limit/Thanks,Elvis
May 11th, 2009 10:23am

I agree with Wissam. Regarding message size limit, a great article share with you:http://exchangeshare.wordpress.com/2008/04/24/exchange-2007-where-to-set-message-mail-size-limit/Thanks,Elvis
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May 11th, 2009 10:23am

Attachment size limit and message size limit are two different things. Under OWA I have a problem with a 5 MB limit for attachments. We have no problem with messages up to 50 MB when using Outlook, as the various transport, etc. settings are for that limit. Every reference I can find tells me how to change the message size, but I want to change the ATTACHMENT size.
April 28th, 2011 11:14am

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