Exchange 2013 Message Size Restriction

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???
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Simon Butler (Sembee)ConsultantCommented:
If you set the limit to 10mb, then the maximum they will be able to receive will be between 7 and 9mb, depending on the attachment type. That is because of encoding overheads.

The command you have provided should work for all mailboxes.

Simon.
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joenswCommented:
Set-TransportConfig -MaxReceiveSize 10MB -MaxSendSize 10MB
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HariomExchange ExpertsCommented:
The email size restriction for user mailbox will be applied in the following order

Global Transport configuration settings
Send connector size restriction
Receive connector size restriction
In the user mailbox properties of send and receive size limit
Please use the below command to check the limts,

To verify global transport settings all Hub Transport servers in the Exchange Organization :-

Get-TransportConfig | ft MaxSendSize, MaxReceiveSize

To modify the sending and receiving email message size to 100 MB in the global Tranport configuration

Set-TransportConfig –MaxSendSize 20MB –MaxReceiveSize 100MB

To verify and modify the send connector size,Send connector are used to send emails out of the exchange organization and the default size is 10 MB.

Get-SendConnector | ft name, MaxMessageSize

Set-SendConnector <Connector Name> –MaxMessageSize 50MB

To verify and modify the receive connector size,Receive connector are used to receive emails from the internet or application and the default size is 10 MB.

Get-ReceiveConnector | ft name, MaxMessageSize

Set-ReceiveConnector <Connector Name> –MaxMessageSize 50MB

The send and receive email message size can be granular controlled in the user mailbox properties. To verify the and modify the size

Get-mailbox | ft Name, MaxSendSize, MaxReceiveSize

Set-Mailbox “test” –MaxSendSize 20MB –MaxReceiveSize 20MB
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