This is also what I normally do. GMail is pretty good at learning how to auto-detect new sources of spam. However, I haven't had to do this for years now thoug

This is also what I normally do. GMail is pretty good at learning how to auto-detect new sources of spam. However, I haven't had to do this for years now though, for the absolute worst of the worst obnoxious spammers who won't take no for an answer I set a filter to auto-forward their crap to the entire company of the spammer. The spam stops immediately, every time I've done this.