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From: Chris Maness <chris@chrismaness.com>
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Cc: Ron Dippold <ron@dippold.com>, freebsd-questions@freebsd.org
Subject: Re: DNS Blacklist Script?
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> Already many of the leading DNSBL lists like spamhaus.org and njbl.org uses such methods to detect new spammers. We've been using the SBL-XBL + dynablock + SURBL lists with much success reaching up to 95% reduction in spam and so far very very very little false positives.
>
>
>   
I have noticed the amount of spam I have been getting climbing, so I 
needed to crack down.

Thanks, I had SBL but not SBL-XBL.  I also added dynablock.njabl.org and 
multi.surbl.org.

This is the anti-spam part of my freebsd.mc.  That should do the trick.

FEATURE(`dnsbl', `no-more-funn.moensted.dk', `Spammer $&{client_addr} 
$&f reject
ed: see http://www.moensted.dk/ (relays)')
FEATURE(`dnsbl',`blackholes.mail-abuse.org',` Mail from $&{client_addr} 
rejected
: see http://mail-abuse.org/cgi-bin/lookup?$& {client_addr}')dnl
FEATURE(`dnsbl',`bl.spamcop.net',` Mail from $&{client_addr} Blocked - 
see http:
//www.spamcop.net/bl.shtml?$& {client_addr}')dnl
FEATURE(`dnsbl', `sbl-xbl.spamhaus.org', `Spammer $&{client_addr} $&f 
rejected:
see http://www.spamhaus.org/sbl/index.lasso')
FEATURE(`dnsbl', `list.dsbl.org', `Spammer $&{client_addr} $&f rejected: 
see htt
p://dsbl.org/main')
FEATURE(`dnsbl', `bl.kq6up.org', `Spammer $&{client_addr} $&f rejected: 
buzz off
 spammer')
FEATURE(`dnsbl', `dynablock.njabl.org', `Spammer $&{client_addr} $&f 
rejected: s
ee http://www.njabl.org/dynablock.html')
FEATURE(`dnsbl', `multi.surbl.org', `Spammer $&{client_addr} $&f 
rejected: see h
ttp://www.surbl.org')