Answer: In Exchange Server 2010 we can modify all the mail queue configuration settings according to our needs.
To make configuration changes to the mail queue database we need to edit the transport.exe.config file which is located at the following location: Exchange install\bin\EdgeTransport.exe.config
To Change the Mail Queue Settings In Exchange Server 2010 Follow the steps below:
Open the EdgeTransport.exe.config file on the Hub server, the file location is:
It’s recommended to use notepad for this task.
In the file you will find all the seetings that can be modified.
After you make the changes, save the file and restart the Exchange Transport service.