McAfee Security, a business division of Network Associates, has released McAfee SpamKiller, the first product in the company’s spam reduction portfolio.
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SpamKiller works with Microsoft Exchange Small Business server to address the needs of medium-sized businesses in reducing liability, reclaiming storage space and allowing employees to work more efficiently.
SpamKiller works by scanning incoming e-mail as it reaches the server using a pre-defined set of rules to detect and quarantine spam.
McAfee said the SpamKiller technology uses a scoring system to determine if an incoming e-mail is spam. A positive or negative score is given to each new e-mail to determine its overall spam rating. Once spam is detected, messages are filtered to the end user’s inbox, personal junk mail folder or a system-wide junk mail folder.
"You need to look for something that’s going to be 100% compatible with whatever [the company] is using for an e-mail infrastructure," said Aberdeen Group research director, information security Eric Hemmendinger.
"What do you block that you shouldn’t be blocking?" he added. "Some of that blocked e-mail may result in a loss of revenue…a loss of business relationships."
SpamKiller uses five different methods of detection. Integrity analysis examines the header, layout and organisation of every incoming e-mail message and applies thousands of algorithms to determine if the e-mail is spam.
Heuristic detection uses a set of automated rules based on known spam characteristics to secure the network against spam. Content filtering is used as the administrator and uses a defined set of words and phrases to help further identify unwanted e-mail and inappropriate content.
Personalised black and white lists - a set of standards defined by the administrator and users - determine both acceptable senders of e-mail as well as unwanted and unacceptable senders. Finally, self-tuning allows SpamKiller to adjust the overall spam score for messages received from known senders by learning the characteristics of e-mail received at the desktop.
Other McAfee SpamKiller products planned for release in 2003 include SpamKiller for WebShield appliances, SpamKiller for IBM Corp.’s Lotus Domino and SpamKiller for Exchange.