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Re: draft-atkins-smtp-traffic-control

2011-11-01 14:22:16

On Nov 1, 2011, at 11:59 AM, Douglas Otis wrote:

On 10/31/11 8:03 PM, Mark Andrews wrote:
Crypto is good at identifying returnees.  It does nothing in terms
of identifying whether a player is good or bad.  Unless there is a
way to map that identity into a reputation system, which can't be
gamed, it buys little in terms of spam prevention.

Agreed, crypto offers recognition of previous encounters.  A desire to make 
exchanges that traverse LSNs is clearly where something like Kerberos tickets 
can play a suitable role in offering a low overhead process.  Kerberos can 
also offer a lower frequency rate where it remains practical to identify all 
domains prior to issuing tickets.  Reputations MUST BE based on AUTHENTICATED 
identities.  Clearly, IPv6 makes use of IP Addresses as an identifier 

None of which has anything to do with the subject line. Please take it to a 
spam filtering or reputation thread.


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