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Mark Lentczner wrote:
|
| I wrote:
|
|> If you are referring to the three headers, Delivered-To, X-Envelope-To
|> and Envelope-To, ... it was agreed to remove them ...
|
|
| Wayne wrote:
|
|> How much does the removal of these headers change the effectiveness
|> and false positive rate of the PRA algorithm?
|
|
| I don't know. I haven't seen any data on the effectiveness or false
| positive rate of the PRA algorithm. I haven't seen any data on it at
| all, but I'd sure like to.
|
| Does anyone have a largish data base of messages (just need the headers)
| categorized as spam/not-spam? I would happy to code up a quick PRA test
| and run it over the dataset. Of course, without the domains publishing
| records, we'll have to make some guesses as to if the identified PRA
| matches the smtp client IP...
I have a large store of this kind of stuff (ham/spam) that I could tar
up and send to you... lemme know if you want it and where to send it,
or, if you prefer I could tar it and make it available for download.
- --
Chuck Mead
csm(_at_)moongroup(_dot_)com
Chief Tech @ http://moongroup.com - http://anirononline.com
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