[91778] in Cypherpunks
Re: hashcash spam prevention & firewalls
daemon@ATHENA.MIT.EDU (Uhh...this is Joe [Randall Farmer])
Sat Dec 13 15:29:10 1997
Date: Sat, 13 Dec 1997 14:00:56 -0600 (CST)
From: "Uhh...this is Joe [Randall Farmer]" <rfarmer@HiWAAY.net>
To: phelix@vallnet.com
cc: cypherpunks@Algebra.COM
In-Reply-To: <34921c6b.2682714@128.2.84.191>
Reply-To: "Uhh...this is Joe [Randall Farmer]" <rfarmer@HiWAAY.net>
> What's the difference between this and simply keeping track of how many
> messages each user sends in a 24 hour period and blocking people who are
> obviously spamming?
Spammers don't have to appear to be the same person every time, nor do their
messages have to be identical or even similar, so blocking of that kind can be
worked around fairly easily -- at least more easily than hashcash.
>
> -- Phelix
---------------------------------------------------------------------------
Randall Farmer
rfarmer@hiwaay.net
http://hiwaay.net/~rfarmer