If we’re really going to mx2 there are so many things that could be done to improve things, but at minimum at the protocol level, it’d be great if there was a two way street to let ppl know you’re treating or reporting them as junk. This not only is great signal for advertisers to stop spamming me, but also let gmail know some account they have is sending out phishing emails (domain reputation is meaningless here).
the spam filter algorithm can be provided with information on the number of attempts, and the explicit user intervention of marking something as spam, so what if the spammer learns they exhausted their attempts or user tolerance?
