If you review the actions available to transport rules, you’ll see that you can create a rule that copies messages that meet stated conditions. For example, a rule could check for messages that contain certain phrases and copy any that are detected to a BCC or other addressee. Copying certain messages to a destination sounds much like the functionality that journaling delivers, so why does Exchange consider journaling to be different from transport rules?

As we’ve seen, transport rules allow for many different conditions and help organizations to manage the message stream in many different ways, including the interception and copying of selected messages. However, interception by a transport rule is intended to allow organizations to ...

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