I like this idea, but I wonder if it's practical. If you opt
out via a
central list, what lists have to accept it and what lists
don't? If you
use the central opt out, would this list have to remove you?
That is why I proposed using a database of one-way encrypted hashes
of the email addresses in the paper.
<rant>
I actually deployed a test system of this scheme six years ago
when I was at MIT, so it is highly unlikely anyone could
defend a patent claim on it. Given my recent experience I would
not make a proposal of that type to a public list without first
applying for a patent to stop a squatter. Yes, I have heard about
the quaint theory of prior art, even with cast iron prior art
you can end up with a $2 million legal bill.
Basically the USPTO is on a par with the 419 scammers in my opinion.
</rant>
At the JamSpam meeting we had a discussion of using honeypots
to determine whether bulk senders were observing opt-out lists
and to help them detect people wanting them to send to a junk
list. I had a go noodling arround trying to extend the one-way opt
out list concept to these areas but I don't see a way to make
it work since the malefactors objective is to detect honeypots
inside their lists...
Phill
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