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Keep increasing the PoW cost and think about where that line of argument leads you. "One message delivered to the inbox is worth far more than a billion message
by brianpgordon 7y ago
Keep increasing the PoW cost and think about where that line of argument leads you. "One message delivered to the inbox is worth far more than a billion messages delivered to the spam folder." One single delivered message is going to be profitable for the spammer? Clearly not. This proves the existence of some break-even point at a lower cost. Mail providers just need to set the cost above this point.
- jcranmer 7y agoGiven that spammers mostly use others' computers to blast their email out, I suspect that the price point that would truly throttle spam would be higher than the price legitimate users of email would be willing to pay. I'm not sufficiently knowledgeable in spam and black market economics to throw any actual numbers around.