|
I split my (7) RBL's into separate filters, and was surprised
that four of the seven are all but worthless.
Aprox. 22,000 spams in the last 10 days with
"zero" false positives; SA Running "out of the
box", no white-list, etc..
sbl.spamhaus.org.........48.55%
bl.spamcop.net...........21.23%
spam_assassin............19.22%
*not an RBL
dnsbl.njabl.org..........10.14%
spamguard.leadmon.net.....0.69%
blackholes.uceb.org.......0.09%
relays.ordb.org...........0.06%
rdts.bl.reynolds.net.au...0.03%
*Note: Spam Assassin sits behind these RBL's; ie: the (7) rbl's are
excluded in the SA_Filter -- SA would get more spam if it were not
setup this way.
I figure if I "can" the bottom four RBL's, SA will
pick-up what they get. Also, since the RBL don't exclude each
other, they may be getting duplicates; spamhaus.org may be getting
what the bottom four is getting.
I know many people use ordb.org; alone -- what a joke.
Elton
|