...hit their targets, and sender authentication makes it harder for them to break through the system. Most anti-spamproducts filter e-mails based on content, but the best way to protect your e-mail is on the address of the sender and recipient...
http://www.computerweekly.com/Articles/2004/10/20/206125/your-shout.htm
...News 19 July 2007 Anti-spamproducts “don't work” By John Brodkin...are not happy with their anti-spamproducts, according to a new survey... Click below to add 'Anti-spamproducts “don't work”' to your blog...
http://www.techworld.com/news/index.cfm?RSS&NewsID=9539