After an initial training period I always move users to TOE training mode as it
seems to give the best long term accuracy especially if people get complacent
and don't train all spam/ham as vigilant as they may have initially.
Robert
On Thu, 19 Mar 2009 09:55:03 -0700, Jaye Mathisen wrote
> I have seen this as well, and I don't know what causes it.
>
> A change of training mode might help, but after a while I gave up, moved my
> personal account to google, and voila problem solved.
>
> However, I have a customer that uses it very heavily, it appears set up
> similar to my own (I set it up), and yet she is happy as a clam, and it runs
> just fine, w/o the hiccup. SO I don't know the answer.
>
> On Thu, Mar 19, 2009 at 8:04 AM, Paul Kauf <[email protected]> wrote:
> I have been running dspam for my home domain for about a year now. Using
> dspam with mysql, along with postfix. After initial training, spam
> identification is great - from 93 - 97% accurate. After a period of time,
> maybe 2 - 4 months, accuracy drops dramatically, as if "new" spam is not
> being recognized (even after reclassifying spam misses via the web
> interface). It still finds a lot of the spam, but its like the NEW spam
> gets by. I have then wiped the database, gone through retraining, and then
> all is well for a period of time again.
>
> I'm unsure what is happening, and would rather not have to reset everything
> every couple months. I do have the purge-4.1.sql running in cron daily to
> purge old signatures, etc.
>
> Does anyone have any ideas why this occurs, or am I alone in seeing this
> problem? Let me know if I need to provide more information (cfg files,
> etc.)
>
> Thanks
>
> Paul
>
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