On 2/13/04 at 06:08, Warren Michelsen wrote:

> At 2:53 PM -0800 2/12/04, Global Homes Webmaster wrote:
> >On 2/12/04 at 14:31, Warren Michelsen wrote:
> >
> >> Where can I find the netblocks of known spammers so I can put them
> >> in my blacklist?
> >
> >Hmm. You say that as if 'the netblocks of known spammers' is
> >something that's static and well-known, which it ain't.
> 
> I'm not talking about the spammer with a laptop, a dial-up account
> and a list of open proxies.  But at any given time the net blocks of
> the professional spam houses are probably well known.

I understood what you meant. It's not like spammers announce to the world
where they're operating from, or that they're confined to particular blocks
of IP space. It may not be terribly hard to deduce when a big time spammer
starts to operate from some specific IP range, but the blocks they operate
from aren't set in stone and there's no guarantee that any one list is
going to have them all at any given time.

> The Spamhaus Project used to post a "SBL Advisory IP Blocklist". Is
> this now incorporated into sbl-xbl.spamhaus.org?

That's what the 'sbl' part of 'sbl-xbl' is. If you want _just_ the SBL, use
sbl.spamhaus.org. The XBL incorporates the cbl.abuseat.org list, which
apparently uses some unspecified algorithms to recognize hosts that behave
like spammers, open relays, open proxies and otherwise compromised machines
being abused by spammers. The combined sbl-xbl list catches a very large
portion of spam sources with minimal false positives. For better info from
the proverbial horse's mouth, see <http://www.spamhaus.org/>.
-- 
                   Christopher Bort | [EMAIL PROTECTED]
            Webmaster, Global Homes | [EMAIL PROTECTED]
                      <http://www.globalhomes.com/>

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