I would like to create a rule that will forward the e-mail back to the
Sender. is that possible? Thanks in advance.
Not out of the box. Forward needs to go to a pre-defined address, not to
a variable address. You could set up an auto-reply instead, or seek a programmatic
solution.
But, why? They sent you the message, why forward it back to them? That
just seems... silly. Are you looking to add other text as well, or...