hashcash spam prevention & firewalls

[Bill Frantz]

At 4:59 PM -0800 12/12/97, Adam Back wrote:
>I am looking at writing some hashcash
> ... Neatly worked out scheme deleted ...

I think there needs to be a story for mailing lists.  It might be
acceptable for the first pass to allow spamming of mailing lists but not of
individuals email addresses.  (Apologies in advance to list moderators.)


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Bill Frantz       | One party wants to control | Periwinkle -- Consulting
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