On Mon, Feb 23, 2009 at 10:41:07PM -0800, Linux Advocate wrote:
> i have been thinking of using sorbs instead of spamhaus because sorbs
> allows sites with upto 100k user to connect to them but with spamhaus
> u are limited to 100users max. Sorbs has a detection rate of about 68%
> and i was thinking of beefing our spam wall with grey listing.
I can't speak about RBLs I don't use. The main strength of SpamHaus is:
- PBL lists ~500 million dynamic IPs with a remarkably low FP rate.
- XBL lists additional botnet nodes with a remarkably low FP rate.
- SBL lists spammer networks with a very low FP rate.
I've not heard of any RBLs that are as effective as Zen. Yes, Zen is
only free for small (personal use) sites and charges a fee to keep the
infrastructure running for larger sites. The data-feed costs were not
unreasonable last time I looked.
--
Viktor.
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