Re: e-postage stamps, was Welcome to the new(ish) ASRG list

Seth <[email protected]> Mon, 18 Mar 2013 16:09:05 -0400
Newsgroups gmane.ietf.asrg
Message-ID <[email protected]>
"John Levine" <[email protected]> wrote:

>>Verification of a stamp wouldn't have to be much different from a DNS
>>query. "Is the following n-tuple (perhaps source plus stamp) valid?",
>>or likely valid would be far better than what we have now.
>
> Oh, OK.  So you give me one stamp, and I use it on 100,000,000 million
> pieces of mail, each of which verifies.  Seems reasonable.

It's a distributed system with less-than-perfect real-time replication.
So maybe 8 or 10 of them verify before every server knows the stamp is
used.

Seth