On Dec 1, 2:33am, John Levine wrote:
}
} Say you've dropped into the local Dunkin Donuts for a donut and
} coffee. But 98% of the cash that customers offer is counterfeit. How
} would this affect the way that cashiers work? Would they just accept
} all the cash and figure they'll call the cops when they find bogus
} stuff?
I suspect they'd make everyone pay in advance so they have time to
confirm the cash is real, and then only provide service to those who
have an account in good standing. Then it may turn into a problem
with identity theft, but that doesn't hit their bottom line.
} ... if your wonderful system rejects their fake stamps with 99%
} accuracy, they try 100 times as often ...
This whole thing with "stamps" is antiquated. If the problem is that
they're going to attempt 100 times as many deliveries, then forget
validating a "stamp" and charge for every delivery. I keep seeing
propaganda from MailChannels about inbound traffic shaping; this
seems like an ideal application of it. Let through unchecked
anyone with a history of payment and throttle everyone else (to the
point of quarantine without final delivery, if necessary) until you
know their history.
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