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[bgp-spamd]

Spam lists suck, until now. Realtime distribution of white lists and black lists for anti-spam.

In the battle against spam, many mail server admins collect and distribute IP addresses of systems that have sent them spam. However, distribution of these lists are traditionally limited to 2 methods. Method #1 is periodically downloading this list from a source, usually a web server - which is subject to load issues on the target web server. #2 is a real-time lookup against an external provider (such as dns-rbls) so your response time is dependent upon how fast they respond or timeout.

This project suggests and implements a 3rd solution: using BGP as a distribution mechanism for IP addresses in a real-time manner.

Having a greater amount of information is, of course, a great boon to a mail server administrator. This paper will show how an admin can use blacklist entries to not only block access from badly behaving mail servers, but, more importantly, allow access from so-called "semi-trusted" mail servers.

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© 2013 Peter Hessler