I use a slew of RBL's that I've added over time without really assessing them. I just
decided to see how they're doing so I took a log file and massaged the data a bit with
BBEdit and Excel. Below is a list of how many SPAMS were blocked by each RBL. Any
comments or thoughts are welcome.
My own thoughts: The results are skewed based on the sequence, because if a spam is
caught by one RBL then another RBL does not have the opportunity to catch it. I've
listed it in the order that they appear in my RBL list. So for instance spamcop is
probably pretty impressive because it caught 158 spams above and beyond what all the
others caught. Conversely ordb is pretty dissapointing because it had first crack at
all the spams and missed most of them. I'm disappointed in the country specific ones
but that might be because I have a huge explicit blacklist that probably already
covers most of those addresses. I also catch a huge number of spams with spamtraps
and my custom blacklist so that skews the results.
Based on this I'll probably dump ordb, blitzed, and some of the country specific
RBL's.
53 relays.ordb.org
628 Spews.relays.OsiruSoft.com
142 sbl.spamhaus.org
483 relays.osirusoft.com
451 list.dsbl.org
31 korea.services.net
158 bl.spamcop.net
8 brazil.blackholes.us
3 thailand.blackholes.us
8 china.blackholes.us
0 opm.blitzed.org
- Paul
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Paul Hess, AIM: idea2go, XNS: hesspaul. PGP available on request
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