Settings > Emails > Review for Discount > “BCC” address is the only setting for BCC address of review for discount emails. If it is not going to the right email, could you please share some screenshots illustrating your settings and results of a test?
We haven’t heard from you for more than two weeks. For this reason, I’ll assume that either you are not interested in this question/problem anymore or it has been resolved. If you still require any help, please start a new forum topic.