On Wed, 5 Mar 2003, Chris Lewis wrote:
Which isn't hard. If you refuse to get your fingers dirty, you just
have to download one of the open relay/proxy blacklists... But if you
don't mind getting your fingers dirty, just point a scanner at Brazil.
Thousands within a few hours.
OK.
We can already see the spammers doing this. My autobitch bot routinely
shows me specific spams that have been sent from several hundred or even
a thousand different IPs in one day. And this is the viewpoint from
just _one_ MTA...
I see that ocasionally also (not several hundred, though!).
Nevertheless, I think my scheme is worth doing. Anything that forces
a certain kind of behavior on spammers is good. If they're forced to
use open relays and proxies to send spam to avoid being marked as a
person with a bad list, then it makes RBL's that blacklist open
relays, proxies, and dial-up blocks more valuable.
We need a broad-spectrum multi-faceted approach.
--
David.
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