On Sunday, March 13, 2005, 8:07:47 AM, List User wrote:
>         I think it would be useful, *but* Spamhaus is very good at adding
> IPs of sites that exploit the XBL - So you would see a significant overlap.
> [...]  And, SURBLs are RHS lists, so you will catch IP jumping that
> the SBL often misses (for a little while).

Yep slightly different but related tools.  As you note there are
advantages to the different list types.

>         I don't believe that you will find `spamvertised' domains using
> exploited machines one day, and valid mailers later - Just a `new' exploited
> machine that hasn't made its way onto the lists yet (like IP jumping, being
> a RHS list is an advantage here too).

Exactly.  Any site advertised many times through zombie-delivered
spams is likely to belong to spammers and not whitehats.
Whitehats probably tend not to use zombies.

>         Also, it wouldn't take a "major" joe job (or whatever the name for
> chafe that isn't personally directed would be - remember "joe job" refers
> to a specific spammer who was pissed at being thrown off joe.com).  You
> would just have to maintain a whitelist like you do now for people like
> w3c.org who are always being abused (or the phishing spam target companies,
> whose own pictures and logos usually appear, or newspapers and magazines
> who end up in 419s).

Yes our whitelist always applies, and additional processing and
testing would be done on the raw data before it was deemed usable.

Jeff C.
-- 
Jeff Chan
mailto:[EMAIL PROTECTED]
http://www.surbl.org/

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