On 2004-02-07, Karsten M. Self penned:
>
>
> Pre-filter incoming mail against viruses, spam, and spoofed headers.
> Restrict challenges to mail which isn't highly likely to use spoofed
> addresses.

I definitely recommend this approach.  After doing this and setting up
my whitelists, I average fewer than 10 messages a week that get trapped
in my pending queue.  Ten is probably a gross overestimation; there are
many weeks when I don't see anything at all.  Most of these are order
statuses (stati?) from online merchants whose email addresses I didn't
anticipate[1]; a few are spam that my baysian filter isn't yet smart
enough to recognize.  And I only block certain attachments, certain
binary signatures, and things that spamassassin has flagged.  I'm sure
that a better effort at configuration on my part would drop this even
farther.

[1] [rant]Why, why, *why* is it that most online merchants don't simply
tell you, at the time of the order placement, which email address they
will be using for correspondence?  And furthermore, why, why, *why* do
some of them use multiple addresses, sometimes from different domains,
some of which have absolutely no obvious relationship to the store?
[/rant]

-- 
monique

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