6 messages in net.sourceforge.lists.courier-users[courier-users] DNS lookup blacklist
FromSent OnAttachments
Lisa MuirJan 16, 2008 1:38 pm 
Sam VarshavchikJan 16, 2008 3:27 pm 
Gordon MessmerJan 16, 2008 3:36 pm 
Leigh S. Jones, KR6XJan 16, 2008 6:57 pm 
Lisa MuirJan 16, 2008 9:59 pm 
Arturo 'Buanzo' BusleimanJan 17, 2008 2:57 am 
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Subject:[courier-users] DNS lookup blacklistActions...
From:Lisa Muir (34.2@gmail.com)
Date:Jan 16, 2008 1:38:57 pm
List:net.sourceforge.lists.courier-users

I've been adding dns blacklists through the courier webadmin with great results. Wanted to add lashback to the list, and found this in their info:

if you wish to check whether 192.168.1.100 is listed in the UBL, you would perform a DNS lookup on 100.1.168.192.ubl.unsubscore.com

Is this how the web configured DNS blacklists work or do they simply make a reverse DNS lookup on the IP address? I was hoping to migrate the blacklist lookups to a localhost BIND and effectly use it as a proxy for courier to make one single rdns lookup on, but if they all operate like lashback, then thats not going to work with multiple dnsbl's

Lisa.