Ed Colmar <[EMAIL PROTECTED]> writes:

> But, recently my IP address ended up in the SPEWS spammer listing.
> How could this happen?  I don't provide POP or IMAP services.  My
> servier is firewalled off, and trusted.  There are no spammers on
> this machine, or in this network.

The myth is that these distributed blacklists are accurate in terms of
who they blacklist.  On the contrary, many are aggressive to the point
of harming as many innocents as spammers.

A common tactic is to blacklist the entire ISP (non-spammers along
with spammers) because of a few bad apples in hopes to mold the ISP's
behavior somehow.  Unfortunately, with a large provider, this may be
impossible as they can't predict in advance who will be a spammer and
who will not be.  New accounts are being opened faster than the policy
violater's accounts can be closed, so the appearance is that the ISP
is "spam-friendly" when in actuality it's just the inevitable nature
of running a large ISP.

Don't misunderstand, I'm not defending ISP's who are spammer friendly,
but as I explained, it's not always that simple.  What I don't like is
the trigger-happy ``kill 'em all, and let God sort 'em out'' attitude
many of these blacklists deploy.  I've been burned countless times by
this myself, and obviously I'm nowhere near spam-friendly.
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