I am using Exchange 2007, and I want all email sent to User A to also be delivered to User B without User A knowing about it. As far as I know, I have two options, but it is not exactly clear which option would be better.
Option 1: Create a Transport Rule such that email sent to User A will be BCC'ed to User B.
Option 2: Forward all messages sent to User A to User B by doing the following. Go to the Properties of the User A mailbox and edit the Delivery Options under Mail Flow Settings by choosing to "Forward to" User B and being sure to select "Deliver message to both forwarding address and mailbox."
Both options have exactly the same result as far as I can tell, so I was wondering if anyone could tell me what is the difference if any exists. Why would I want to create a Transport Rule to BCC vs. forwarding the message to another mailbox?