Hello,
I want to modify list unsubscribe header
List-Unsubscribe: (currently)<http:/abc.com/app/index.php/lists/12345/unsubscribe/adsdfdhgjghsghdh>,
<mailto:admin@abc.com?subject=Unsubscribe&body=Please unsubscribe me from Members list.>
change it to like this
List-Unsubscribe...