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Posted to users@spamassassin.apache.org by Justin Mason <jm...@jmason.org> on 2008/01/25 11:25:24 UTC

Re: whois plugin .. where to get it

> Giampaolo Tomassoni wrote:
> > Well, I use and like URIBL_SBL, but please note that a centralized solution
> > may easily be "fooled" the other way around, by giving it RRs which are not
> > the ones most people will see and will query for through the URIBL_SBL
> > itself. In order to do this spammer only need to know the address of the DNS
> > server(s) acting as resolvers for SpamHaus...

by the way, it's possible to avoid that by "proxying" lookups through
open recursive servers, whether ones set up by friendly ISPs, or "open"
ones like 4.2.2.2.

--j.

RE: whois plugin .. where to get it

Posted by Giampaolo Tomassoni <g....@libero.it>.
> -----Original Message-----
> From: jm@jmason.org [mailto:jm@jmason.org]
> Sent: Friday, January 25, 2008 11:25 AM
> 
> 
> > Giampaolo Tomassoni wrote:
> > > Well, I use and like URIBL_SBL, but please note that a centralized
> solution
> > > may easily be "fooled" the other way around, by giving it RRs which
> are not
> > > the ones most people will see and will query for through the
> URIBL_SBL
> > > itself. In order to do this spammer only need to know the address
> of the DNS
> > > server(s) acting as resolvers for SpamHaus...
> 
> by the way, it's possible to avoid that by "proxying" lookups through
> open recursive servers, whether ones set up by friendly ISPs, or "open"
> ones like 4.2.2.2.

Right, J.

Giampaolo


> 
> --j.