[Asrg] FeedBack loops

[der Mouse]

> If a statistically valid sample of an ISP's users (as processed by
> their own user reputation systems) think something is spam, why would
> that ISP disagree?

Ummm...maybe because they know most end users don't know the difference
between spam and other forms of unwanted mail?

> I know it's a big shift in thinking from the classic anti-spammer
> attitude, particularly the pornography test (I know it when I see
> it.)  But, it's a shift that all of the big ISPs have already made:
> they'll listen to their users before they'll listen to random
> external parties.

And when it comes to "this is mail we want to block", they should.  But
when it comes to "this mail is spam", they shouldn't, or at the very
least should apply some local intelligence by someone who _does_ know
the difference.

One of the things I've noticed is that far too many people - on any
side - seem to lose track of the fact that mail can be non-spam and
still be eminently blockworthy.

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