A CDE Definition
(Realtime Blackhole List) A list of the IP addresses of known spammers. See MAPS.
(1) See mapping app.
(2) (Mail Abuse Prevention System) A product of Japanese-based Trend Micro Inc. that comprises the Real-time Blackhole List (RBL). The RBL was the first DNS blackhole list (DNSBL), which contains IP addresses of spammers, and companies and ISPs can use the list to reject incoming mail. If an offending spammer cannot be shut down, the spammer's ISP may contact MAPS with the subnet addresses allocated to the spammer so those specific addresses may be used instead of the IP address of the entire ISP.
Developed by Paul Vixie and Dave Rand in 1997, MAPS was acquired by Kelkea, Inc. in 2004. In 2005, Trend Micro acquired Kelkea. For information, visit www.mail-abuse.com. See DNSBL, spam relay and Blacklist of Internet Advertisers.
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