spf-discuss
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RE: Re: DEPLOY: SPF/Sender ID support in Courier.

2004-08-28 01:45:08
On Sat, 2004-08-28 at 08:36, AccuSpam wrote:
Note that Microsoft has made public announcements about the future value of 
"hashcash" technique, where the cost of sending is increased by apply some 
computer algorithm.  Note that public key cryptography at the MUA with huge 
keys is a way to accomplish this.

I think hashcash is a dead end as an anti-spam system. Spammers have
armies of zombies that can do the calculations for them, so it will
inconvenience spammers much less than legitimate bulk mailers.

Paul.
-- 
Paul Howarth <paul(_at_)city-fan(_dot_)org>