Re: Water tight opt-in (yet another FUSSP)

Dave Warren <[email protected]> wrote:

> As a mailbox provider, it would make my life a lot easier if I could 
> whitelist every piece of bulk mail that a user actually wants upfront, 
> allowing me to blacklist (or score down) with impunity.
>
> Unfortunately, this is a FUSSP since it would require virtually all bulk 
> senders to comply in order for recipients to yield benefit from it.

Nope; suppose only one bulk sender and one ISP used it.  They'd benefit:
the sender would have (a little) less valid email blocked, the ISP's
customers would have (a little) less wanted email lost.  The incentive
for each additional sender or ISP to join gets even higher as adoption
increases.

There is no necessity that even a large percentage of either adopt it in
order for the adopters to benefit.

Now, before an ISP could use it to strongly score down bulk mail that
didn't use it, there would have to be wide adoption by senders; but the
ISP could use it to weakly score down bulk mail that didn't use it (and
reject entirely bulk mail claiming to be from senders who do when the
mail doesn't validate).

Seth


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