On Fri, 2003-12-26 at 02:00, schafer wrote:
> [...]
> Exhibit:
> 
> ---- Start SpamAssassin results
> 7.10 points, 5.5 required;
> [...]
> * 3.0 -- BODY: Bayesian classifier says spam probability is 99 to 100%
> [score: 0.9988]
> [...]
> * -4.3 -- AWL: Auto-whitelist adjustment
> ---- End of SpamAssassin results

Now I'm relatively new to spamassassin, but as I understand it, these
results indicate that:

1. Whoever has configured Lenny's spamassassin (just curious: where is
it running?) has trained the bayes filter to tag similar messages as
spam (the bayesian classifier results).

2. A number of "good" messages have been received from the same list
(the AWL adjustment), so most of the messages from Lenny's list have
presumably been OK.

So corrective action would be to un-train it on this particular message
by feeding it to sa-learn with the --ham option. The spamassassin
documentation has a lot of info on the importance of training properly
to avoid problems.

In any case, if somebody specifically trains a filter to flag your
messages as spam, there's not much you can do about it, whether they're
using spamassassin, or any off-the-shelf product. It looks like this has
happened in this instance. I think the fix will really depend on WHO is
running spamassassin in this case.

- Bob



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