Re: [exim] Generating hashcash for outgoing mail?

Αρχική Σελίδα
Delete this message
Reply to this message
Συντάκτης: Tony Finch
Ημερομηνία:  
Προς: Marc Sherman
Υ/ο: exim-users
Αντικείμενο: Re: [exim] Generating hashcash for outgoing mail?
On Mon, 7 Feb 2005, Marc Sherman wrote:

> Has anyone ever integrated hashcash stamp generation into exim? I've hacked a
> bit, but can't seem to figure out a way to integrate it that seems clean to
> me.


Hashcash is pointless. See the second paragraph on Richard Clayton's page
about the paper he wrote with Ben Laurie: "Proof of work prooves not to
work". Their result is intuitively obvious if you handwave about zombie
farms, but they back it up with real-world numbers from Demon Internet.

http://www.cl.cam.ac.uk/~rnc1/

Tony.
--
<fanf@???> <dot@???> http://dotat.at/ ${sg{\N${sg{\
N\}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}}\
\N}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}}