Points for reporting spam
How about every time we report a spam ad and it gets verified we get a point, or credit to membership? Clearly you are saving on salaries as we are identifying these accounts for you?
I don't understand how they can spam a message to my account without having viewed my profile?
Secondly it would encourage people to report the spam rather than just ignore or delete if they're being recognized. Otherwise it seems like a pointless excersise.
Thirdly you will discover the true extent of spam on your app.