"Michael Kaplan" <mkaplansolution(_at_)lycos(_dot_)com> wrote:
Let's do the math. A spammer finds 5% of his spam reaches people.
Or he can guarantee delivery to 1 million people by
decoding one million CAPTCHA at a cost of $1000 a day,
adding up to $365,000 dollars of additional expense per
Not quite: he _runs_ a third-world CAPTCHA-decoding company, and
_steals_ the email addresses that his company validates.
And the list cannot be sold to other spammers since almost every
address on the list will be deactivated after the first large wave
of spam is sent out.
So the single spammer sends out 15 waves of spam simultaneously.
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