The other thing about replying to the forum spam is if you reply, we get more of it. Down at the bottom of every post dialog screen, there is check box to have replies sent to a "real" (sic) email address. By default, it's unchecked, and most of probably don't even conciously see it. But that lets them know we are worth bugging.
Now that they are here, they won't go away, but if you ignore forum spam, it won't get worse.
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-IronRaven
When a man dare not speak without malice for fear of giving insult, that is when truth starts to die. Truth is the truest freedom.