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[Asrg] 4.a Taxonomy -- Where would CHANNELS fit into the Taxonomy ?

2003-04-06 10:55:50


Bob Hall at ATT Labs created a system called channels

        http://www.research.att.com/~hall/channels-project.html

where proof of consent is in the form of a unguessable email address
called a CHANNEL.  (Our system, ZoEmail is based on this approach.)

A person would have an infinite set of email addresses and could give
out a different one to each person or group of people and could revoke
any  email addresses that go onto a spam list with only tell one (or a
few) of his correspondents to change addresses.  




Would this fall into that taxonomy at 

       1 (a) (i) (2) c  Disposable email addresses 

since this system does contain Disposable email addresses, but they
aren't generally meant to be "use once addresses" and users don't
think of them as disposable.

or at 

       1 (a) (i) (2) b Token supported

since CHANNEL seems to be a token.




It seems different enough to me that perhaps should it be on a new
additional line, perhaps  under

       1 (a) (iii) Consent Tokens (a priori consent)

as

       1 (a) (iii) (3) proof of prior contact / address embedded tokens 

since a sender's knowledge of a CHANNEL-ID is proof of consent (or of
contact with someone who has received consent).



Also the channel system gives us some ability to track where a spammer
has gotten the address from since any given CHANNEL is legitimately
known to very few (often just one) person.


I don't know where systems in general that track accountability (much
like contagion) would fit into the taxonomy.

/Russell 

[standard disclaimer: ZoEmail LLC has licensed the Channels system
from AT&T including US #5,930,479]
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