THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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- HashCash ( http://hashcash.org/ )
See http://hashcash.org/faq and http://hashcash.org/draft-hashcash.txt.
This is a technological solution, while Bonded Sender is an economic solution and Habeas is a legal solution. Hashcash is not appropriate for large mailing lists, as it requires substantial computational power to send each email.
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