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Spam Volume Jumps 35% In November: Page 3 of 3

IronPort's appliances, Mayer added, can close that gap: the company can update rules as often as 12 times an hour, and if necessary -- because of a completely unknown form of spam, for example -- update the core scanning engine remotely as well. "Anti-spam needs to be very responsive," he says.

Even though December spam volumes have stayed at November's numbers, Mayer expects that 2007 will be a tough one for anti-spam vendors and end users alike. "There's a realistic probability that volumes will increase," Mayer says. "It's a game of economics; there's a lot of money to be made and [thus] a lot of innovation on their part.

"It's going to be a long battle."

IronPort's "2007 Internet Security Trends Report" can be downloaded as a PDF file from the company's Web site.