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Hello Rakesh,

Thursday, December 16, 2004, 2:59:52 AM, you wrote:

R> These days my bayesian engine is giving me a lots of false
R> positive, ...
R> However now i am trying to investigate whether my Bayes is really
R> poisoned or not. ... 

R> Also if my Bayes is poisoned can i safely replace the existing
R> bayes db of this server with one of my another server as right now
R> spams over there are being properly trapped.

IMO the results are what matters, not the statistics. If you're
getting any significant number of spam with BAYES_00 or any
significant number of non-spam with BAYES_99, then yes, your Bayes
database is poisoned.

Yes, if you can quiesce that other server's SA system and copy the
quiet (not being updated) Bayes to this server (assuming same
version,
same software pre-reqs satisfied).

Though I have three systems and could do this also I've never
bothered. On those (rare) occasions when I've had to wipe a Bayes
database (generally because I've poisoned the database myself due to
EBKAC error), I've simply deleted the files and then done a manual
sa-learn with 1k each of known and verified recent spam and non-spam.

Bob Menschel

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