Definitions for "Spam Filtering"
This is a security measure that the campus has implemented to help reduce the amount spam that enters the email inboxes of those using the campus email system. Spam filtering is often available through ISPs (AOL, SBC) and individual email programs (Outlook, Eudora, Mail).
Software programs that attempt to block unwanted 'spam' email.
CounterSpam is a dedicated mail filter server that accepts incoming Email from the Internet. CounterSpam processes mail using MimeDefang, ClamAV and SpamAssassin to detect and prevent spam and viruses from propagating to your mail server. CounterSpam also includes many real-time blocking systems that can detect a sudden surge in spam activity and will blacklist remote hosts for a short period of time to prevent any additional dangerous Email from making it in. In addition to real-time analysis CounterSpam also makes use of the following Real Time blacklist lists to block known sources of spam as well as illegitimate proxies and mailers.
a subset of text classification, which is a well established research field