Overview
This article describes the process to increase the Message Size Limit for Microsoft Exchange.
Process
For Microsoft Exchange 2007 and later:
- Open the Exchange Management Shell on the Microsoft Exchange server.
- Run the following Windows PowerShell command to increase the size to 50 MB:
Set-ReceieveConnector –identity “Default [servername]” –maxmessagesize 50MB
For Example:
Set-ReceieveConnector –identity “Default myserver” –maxmessagesize 50MB
For Microsoft Exchange 2003:
- Open Exchange System Manager.
- Expand Global Settings.
- Right-click Message Delivery > Properties.
- Select the Default tab.
- Change to the desired size limit.
- Select Apply and OK.
Change the Receiving Message Size to 51200 (50MB)
NOTE: The GFI MAX MailProtection default message size is 50MB and cannot be changed.