[hashcash] Re: Opportunistic signatures - a proposed design

Eric S. Johansson wrote:


at the egress point for any aggregation of any number of e-mail users, traffic patterns start to look significantly like a spammer. The greater the aggregation, the greater the likeness.

now I am not talking about the mass mailer. I'm talking about the ordinary organizations such as the typical 500 person or larger size company using e-mail to communicate with customers and suppliers.

I state again that a significant philosophical point should be that the ordinary communications between two parties should not be slowed any more than necessary. this philosophical point is why I'm arguing for something other than hashcash for known party communications. Today I use simple white lists. I want something better.

Just to clarify something here. For the enterprise solution, do you envisage having one/many servers minting all email being sent outside the organisation (I'm assuming that internal mail won't have have to stamped as it is trusted), or do you see a solution where each client PC runs its own minter?

John.

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