With BDR - Exchange Non-Delivery Report Body File you can see just what the issues is with a bad email. This is because the non delivery report gives the information about why the email was not delivered. You will be able to look at the error code, recipients of the message as well as who the sender was. This information will be stored in the Badmail folder.
File Extension BDR
Product(s) that can open BDR file
Microsoft Exchange Server
Microsoft Exchange Server Provides built-in protection technologies to help keep the email system up and running and better protected from outside threats Microsoft...