[SURBL-Discuss] whitelist senderbase top domains?

[Mariano Absatz]

On Wed, 8 Sep 2004 09:23:02 -0700, Bill Landry <billl at pointshare.com> wrote:
> ----- Original Message -----
> From: "Jeff Chan" <jeffc at surbl.org>
> 
> > > Just wondering if the whitelisting will help
> > > us to be more accurate in tagging the spammer URI in the message, thus
> > > cutting down the possibility of the spammer URI not being one of the
> random
> > > 25 selected for checking against the SURBLs.
> >
> > > I'm curious to know what effect the SURBL whitelisting has as it applies
> to
> > > both SA 2.6x with the SpamCopURI plug-in and SA 3.0 with the URIDNSBL
> > > plug-in and the random URI check limit threshold.
> 
> [SNIP]
> 
> > If you'd like, you can have a similar effect right now by
> > adding the top N domains from:
> >
> >   http://www.surbl.org/dns-queries.whitelist.counts.txt
> >
> > to the SpamCopURI manual whitelist in the conf file.  You'd want
> > to include both basedomain.com and *.basedomain.com .  In fact
> > this should be a good improvement for everyone using SpamCopURI
> > to add.
> 
> Hmmm, tried this overnight and it cut my SURBL hit rate down to almost
> nothing.  I'm not sure why, unless the whitelist data is not being read into
> memory and thus the list has to be parsed with each individual e-mail
> message before the SURBL queries can be done.  If that's the case, then it
> could be possible that the queries are taking to long to start and SA is
> timing them out based on the network tests timer expiration setting.
> 
> Or, could it be that if the SpamCopURI plug-in finds a whitelisted domain,
> that it skips any further SURBL tests for that message?  That could also
> account for the very low hit rates when using the whitelist entries.
Mmmhhh this last thing would be awful... does anyone know this?

FTR, I just checked and you have to add 2 entries to whitelist
*.yahoo.com AND yahoo.com...

But I don't want the whole spamcopuri surbl process to stop if it
finds an internally whitelisted domain... that'd be plain wrong.


-- 
Mariano Absatz - El Baby
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