Re: [Asrg] hiring challenge responders

Yakov Shafranovich <research@solidmatrix.com> Thu, 26 June 2003 19:14 UTC

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To: Dave Aronson <dja2003@hotpop.com>
From: Yakov Shafranovich <research@solidmatrix.com>
Subject: Re: [Asrg] hiring challenge responders
Cc: asrg@ietf.org
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Date: Thu, 26 Jun 2003 15:12:56 -0400

At 02:43 PM 6/26/2003 -0400, Dave Aronson wrote:

>Vernon Schryver <vjs@calcite.rhyolite.com> wrote:
>
>  > Let's do some arithmetic.  At $10/hour and 10 seconds per challenge
>  > answered or account created, the cost would be about $0.03 address.
>  > That sounds a little but not very high to send mail until the
>  > challenge whitelist entry is deleted by the spam target.  It sounds
>  > low for a valid sender account that can be used for millions of
>  > messages for days until the free provider notices enough bounces
>  > or receives a complaint and terminates it.
>
>Does anybody have any actual numbers on how good a return spammers get on
>their spam, in terms of, say, cents per thousand spams?  I suspect this
>will be very hard to measure for spam that works indirectly (like
>getting people to go to a URL that does not have an embedded tracking
>number), and vastly different per category, but there may be SOME hard
>data out there....
[..]

There was a news article a while back somewhere about the Iraq playing 
cards that were made by some company. It had some financial figures.

Yakov 


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