On Wed, 2006-06-28 at 20:33 +0100, paul at clubi.ie wrote:
> On Mon, 26 Jun 2006, Declan Moriarty wrote:
>> > Razor catches 40% or more. No false positives - mebbe one in years.
> Razor is good yes:
>> $ spamprobe dump ^Hx-razor
> 0.8187189 2246 31750 0x00000588 Hx-razor-warning_spam
>> That's 93% for me (but I get a decent amount of spam. 1k+ per day).
> Razor is very good for feeding into Bayes filters.
>> > Spamc/spamd.
>> > Basic rulesets too soft on porn, bad language. Leave the threshold at 5
> > but work with your false negatives and tune. I have a score adjusting
> > local.cf which gets you a lot of the way. Delete rules which don't hit
> > anything.
>> Ok, how do you do that? Score adjusting and finding out the history
> of rule matches?
Tuning based on false positives and false negatives mainly. Store marked
mail and use grep -c occasionally to enlighten you on
1. Rule families (Some rulesets e.g. 5 similar fraud rules) only ever
score with one or two
2. Rules doing nothing.
3. Rules hitting ham.
4. Rules doing well for you.
Adjust accordingly. Tolerate false positives for a week.
With Best Regards,
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