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Spam could be prevented by attaching an encryption cost to each message. It would make bulk mail prohibitively expensive. Inside companies you could have a trus
by Joeri 12y ago
Spam could be prevented by attaching an encryption cost to each message. It would make bulk mail prohibitively expensive. Inside companies you could have a trusted mail concept to allow mails to entire departments, but as soon as a mail leaves the domain a proof of work is implied.
- eli 12y agoThe bad spammers are using botnets. This would be extremely difficult to implement and would mostly hurt mailing lists.
- mike_hearn 12y agoSpam filtering is not about blocking bulk mail.