Does anyone have any idea how much it costs to host a porn site? Does
anyone have any idea how little it costs to send spam (see prior
analysis $0.0000002/spam)?
Just because it's possible doesn't mean it's sensible
-----Original Message-----
From: asrg-admin(_at_)ietf(_dot_)org [mailto:asrg-admin(_at_)ietf(_dot_)org]
On
Behalf Of Art Pollard
Sent: Thursday, January 29, 2004 12:31 PM
To: Philip Miller; Asrg(_at_)ietf(_dot_)org
Subject: Re: [Asrg] Its all over for Challenge Response
At 09:02 AM 1/28/2004, you wrote:
Hallam-Baker, Phillip wrote:
spammers have found a way to break C/R schemes that have a 'turing
test' component. You simply set up a free porn web site and
get people
to crack the turing tests in return for seeing the porn.
Yes. I agree ... Sort of.
However, let's put it this way. Even with all the "free"
porn sites that
could potentially be set up and even with the potentially
large number of
vistors that they could have, it would still be a signficant
drop in the
amount of spam. I doubt that many would hang around a free
porn site for
long if they had to type/decypher a CR each time they
switched pages. It
would simply be too irritating. And besides, let's say a
visitor visits
20-50 pages, that would mean that for one spammer's spam to
get through to
1,000,000 addresses, they would need an equal number of page views or
20,000-50,000 visitors -- a lot for any free porn site. And
of course,
there are all the other spammers trying to do the same thing
diluting the
potential number of visitors. This would still be a major bottleneck.
This sort of workaround seems to make sense for automating
some things such
as getting a Yahoo/Hotmail account or similar. But it
doesn't seem very
practical to me for sending out millions of pieces of junk mail.
-Art
--
Art Pollard
http://www.lextek.com/
Suppliers of High Performance Text Retrieval Engines.
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