[rbldnsd] rbl recommendation

[Steven F Siirila]

On Wed, May 10, 2006 at 11:17:52AM -0400, Liebler, Justin wrote:
> Hi all,
> 
>  
> 
> I have been running the MAP RBL+ for about 5 years or so.  The only
> thing that I have not liked about it was that it did not have an rbldns
> format so I have to convert it once I transfer it, lots of thanks to the
> people on this list for the help with that, but now that trend micro has
> bought them they no longer want to support transferring the zone from
> them they want to go to a query only method.  We process well over 5
> million messages per day so this does not seem ideal to me as far as
> performance goes.  I am curious as to what RBLs people on this list are
> using and how they like what they have.  I am not worried about having
> to pay for a list, as we see this way to valuable of a service to go
> with what is free as to what is best.  Please let me know what you guys
> like.

We have been running the MAPS RBL+ for 3-4 years now and also find it
very useful  (primarily for identification of dynamic IP addresses.
We also dislike the AXFR format and would prefer rbldns format, but
either of these would surely be preferable to a query-only method!
I had not heard from the folks who now run this about any changes.
We BLOCK nearly 5 million messages per week using various methods,
which represents about 65% of our incoming MX mail.  By far the most
effective block list is the Spamhaus XBL which lists exploited systems.
The Spamhaus SBL also does a nice job of identifying known spammers
(both with nearly 0 false positives).

> 
>  
> 
> TIA,
> 
> Justin
> 
> 
> 
> 
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