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On Mon, 30 Aug 2004, Eric S. Johansson wrote:
Hashcash is wonderful for lots of things. Unfortunately, it really really sucks for mailing lists because mailing lists are behaviorally just like spammers (lots of mail in a short period of time).
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It's also unreasonable to impose the hashcash burden when communicating to someone you know.
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To get large-scale acceptance, we'll need an approach that meets enterprise needs. Most enterprises will not touch a solution that requires large-scale desktop modification. The support burden is just too high. Therefore, we'll need a solution that can be implemented by a "drop-in box". Which is difficult because enterprise e-mail looks just like a spammer for the same reason that mailing lists do.
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So, if there is a different solution that lets us create "exemptions" to the hashcash load without giving any advantage to spammers, I would like to hear about it. Personally, I believe that some form of public key solution is the right one.
I believe this because it's a well understood technology with manageable risk factors. Taken further than signatures, it increases overall confidentiality of communications without requiring any user involvement.
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...atom
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