Domino incorrect Return Receipt Tracking Case
User 'A' (AUTHOR) sent an email to other local user named B,C,D in TO/CC. User 'A' (AUTIHOR) have received RETURN RECEIPT from another user F who was NOT in TO/CC list.
How can I track that why user A (AUTHOR) received RETURN RECEIPT from the user 'F' who was not in the To/CC list?