I don't get it. Is getting a spam message across to a few people on a forum, or gaining control of your board, that profitable? Seems likes a lot more trouble than it's worth. How exactly do these guys make a profit? Clearly when they do get through on a forum, their message is some nonsensical garbage that is immediately recognized as spam.
Just advertising really; there are groujps you can pay to have whatever you want plastered literally everywhere for pennies on the dollar, it's insane. The sad part is that a lot of these "bots' are actual humans.
I think I see why. You need "%@163.com" to block all from that email domain, correct?
Correct