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Set-TransportConfig -MaxReceiveSize 10MB -MaxSendSize 10MB
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Set-TransportConfig -MaxReceiveSize 10MB -MaxSendSize 10MB

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Would like to restrict most users to 10MB send/receive.<br />
Command to set Individually: Set-Mailbox &quot;alias&quot; -MaxSendSize 10mb -MaxReceiveSize 10mb<br />
Get-Mailbox -ResultSize Unlimited | Set-Mailbox -MaxSendSize 10mb -MaxReceiveSize 10mb - will this work to set all mailboxes in 1 shot??<br />
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Will need to change settings on receive connector and transport service to allow 25MB. Then set the allowed users individually to allow 25MB???
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Would like to restrict most users to 10MB send/receive.
Command to set Individually: Set-Mailbox "alias" -MaxSendSize 10mb -MaxReceiveSize 10mb
Get-Mailbox -ResultSize Unlimited | Set-Mailbox -MaxSendSize 10mb -MaxReceiveSize 10mb - will this work to set all mailboxes in 1 shot??

Will need to change settings on receive connector and transport service to allow 25MB. Then set the allowed users individually to allow 25MB???

Exchange 2013 Message Size Restriction

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.