test spam filter
test spam filter thoughts for 12.31.1969
Spamassassin is a highly versatile and configurable spam filtering program that identifies spam by testing for certain predefined "fingerprints" and assigning arbitrary numerical scores where it finds them; messages that exceed a user-adjustable threshold score are then tagged as spam. The spammer can use a dictionary attack to test any addresses he has for a domain, even those he may have simply have guessed at. Spammers employ various techniques to gather potentially-deliverable addresses for their lists: collecting them from websites or usenet groups using spambot software, testing them out on MX hosts using dictionary attacks, or simply asking users to surrender them (by offering services like electronic greeting cards, online dating, and the like). Administrators can specify the tests to be used by their local spamassassin installations, can vary these tests for each user, and can even write their own tests using a basic syntax plus regular expressions. A basic IP network utility that uses the internet control message protocol (ICMP) to determine whether a machine at a remote IP address can be reached from a local machine is called a ping and can be used to test a network connection. While it is arithmetical in nature, spamassassin is not itself a bayesian filter, although bayesian filters can be included as spamassassin tests. Ideally, a honeypot will relay the spammer relay tests, but it won't relay any actual spam that the spammers send, the actual spam just gets thrown away.
test spam filter
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