spamassassin: spamassassin
spamassassin:
spamassassin: spamassassin is a mature, widely-deployed open source 
spamassassin: project that serves as a mail filter to identify Spam. 
spamassassin: spamassassin uses a variety of mechanisms including 
spamassassin: header and text analysis, Bayesian filtering, DNS blocklists, 
spamassassin: and collaborative filtering databases. spamassassin 
spamassassin: runs on a server, and filters spam before it reaches your 
spamassassin: mailbox.
spamassassin:
spamassassin: