“SpamAssassin, popular open source spam-filtering software, will
have deadlier aim thanks to an add-on tool that is being offered
free of charge to small businesses and individuals by
MailChannels.“The tool–called Traffic Control 3–is an e-mail
traffic-shaping package that slows down the transmission of spam
into corporate e-mail systems. MailChannels officials say Traffic
Control 3 will reduce spam volumes by 50% to 75% for SpamAssassin
users…”