>> I want to understand EXACTLY how my mail is triaged and why,
>> particularly on my critical accounts.

MA> Unfortunately, it is my sad yet considered opinion the choice to do
MA> your own filtering is evaporating. My friend told me boastfully about
MA> how his Iowa (USA) ISP was "Filtering" his mail with a bayesian
MA> filter. I pointed him to a free bayesian filter he could operate
MA> locally, knowing exactly what was getting bounced.

I politely beg to disagree. I think simple self filtering of spam
is easy for most people. More than 95% of all my wanted email is
both addressed to me and comes from someone with whom I have
previously corresponded in my address book (2000 names), or comes
from a dozen or so servers (eg. my University). Of the remaining
5% of wanted mail, it is difficult to imagine anything that would
fail to mention my name (Dear Mark, Hi Mark, Mark, Hello Mark) or a
few dozen keywords that any novel new person approaching me would have
to mention to be of any interest whatsoever. Clearly this
doesn't apply to everyone who uses email, but I would guess it
applies to 95% of us out there who use our email addresses with
a modicum of discretion.

A few simple filters help to ice the cake (not addressed to me,
multiple similar addressees, a few nasty keywords, foreign
characters in subject, and routings through a few countries
through which legitimate mail to me would never be sent).

I really think it is OTT to suggest that The BAT! alone couldn't
suffice for most people. The critical aspect of spam detection is
*NEVER* to miss *IMPORTANT* legitimate mail and I think it is
unlikely I would. Letting a few spams through is hardly relevant.


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