What Does Indras Net Do About Spam?
On August 5, 2003, we unveiled the Indra’s Net Spam Controller, a server-wide spam blocking utility based on the Internet-wide anti-spam initiative DCC (Distributed Checksum Clearinghouse). Unlike many common spam filters you may be familiar with, DCC does not attempt to ascertain whether or not the content of an email message qualifies it as spam. Rather, through a system of over 150 servers around the Internet, it counts the number of times it sees a particular message. This is a remarkably effective way of identifying bulk email: if the exact same message is seen many times being mailed to a large number of different people, it’s quite likely to be spam. Internal testing of the Indra’s Net Spam Controller was very successful, and went live on August 20, 2003. Current Indra’s Net customers are invited and encouraged to familiarize themselves with the interface, customize their settings, and monitor their Rejected Mail Log, since messages are blocked at the server level and will there
