Originally Posted by
lamente
No, it isn't "just useless" - the end result is exactly the same as if blizzard had implemented the spam filter directly. Complain less and download badboy: it will automatically suppress and report spam, and will either notify you of blocked spam or not, depending on which you prefer. I haven't seen spam in years thanks to this addon. Whether blizz should invest more effort in a directly supported spam filter is completely moot when badboy will do the job just as well or better.
also,
um, what? If you're stupid enough to support the spammers by buying what they're illegally selling, you have no business complaining about spam in the first place.