Re: [Asrg] 2. Improving Blacklists and Reputation Services

[David Maxwell <david at crlf.net>]

On Mon, Feb 09, 2004 at 01:09:38PM -0800, Hallam-Baker, Phillip wrote:
> > 2. Is it feasible for such format to be feature rich 
> > providing more data 
> > than a simple yes/no. Meng Wong of SPF proposed on his list a 
> > while back 
> > something like how many messages sent by MTA, how many were 
> > spam, etc.,  akin to what SenderBase does.
[...]
> I think it is better to simply use the standard A pointer blacklist type
> hack and then have a metadata record that tells the filter how it thinks the
> information should be interpreted.
> 
> > 3. Can this be supplemented by accrediation formats and protocols?
> 
> Yes, but the volumes of mail are large, you probably don't want to do more
> than DNS lookup in the first pass.

A trivial implementation of this would be one where the blacklist
returns 127.0.0.[0-100] as their percentage of certainty that the source
is a spammer.

The local tools can then multiply that percentage by their 'how much I
trust blacklist provider X' factor.

-- 
David Maxwell, david@vex.net|david@maxwell.net -->
All this stuff in twice the space would only look half as bad!
					      - me


_______________________________________________
Asrg mailing list
Asrg@ietf.org
https://www1.ietf.org/mailman/listinfo/asrg