Paul Graham suggests that when your spam filter identifies a message as probable spam that it automatically ping any URLs mentioned in the message–perhaps repeatedly–to drive up the spammer’s web-hosting bandwidth costs. If lots of people do it, spam suddenly gets much more expensive to send. I like this–it fights fire with fire.
2 thoughts on “Fighting back at spam”
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Isn’t this the URL I showed you a couple weeks ago, Mr. Rice?
Yes. And now I’m blogging about it.