For the scale, it would not send to to all, but to the ones who are
registered for such feedback. [...]
Without mentioning any names, there's a couple providers who _do_
support ARF, whose abuse-reporting-system I'd probably blow off the
air, to the tune of hundreds or thousands of reports per day.
Now get a few other sites doing the same. Boom! ;-)
<devil's-advocate>
And, for a site that generates that much spam but can't be arsed to set
up enough abuse-desk resources to handle the resulting feedback volume,
is that such a bad outcome?
</devil's-advocate>
It doesn't scale.
Actually, I think it scales just fine; the feedback volume is linear in
the spam volume. It's just that the senders are too cheap to set up
abuse-handling infrastructure that can handle complaint volume that's
linear in the volume of spam they emit (at least with a constant of
proportionality anything close to what you provide - and as long as
that constant is less than 1, I strongly believe that's their problem).
I have trouble seeing pointing up such broken situations as a bad
thing.
For the net, that is, as opposed to the individual senders or receivers
(or postmasters). Which is the perspective I would hope we're taking
here. Prisoner's Dilemma issues are a separate discussion. :)
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