Realtime Blackhole Lists (RBLs)
How RBLs send spam into a black hole
RBL – Fight SPAM With Postfix
The Best DNS Blacklists – Not All Blacklists Are Created Equal
Mail Filtering - Rethinking Our Reliance on RBLs
RBL - Computer Definition
Domain Name System-based Blackhole List
Realtime Blackhole Lists (RBLs)- Linode
Realtime Blackhole Lists/DNSRBL
Enable DNSBL or RBL on Zimbra
Listes noires, blacklists, RBL ou DNSBL