Spam is much more than an annoyance. It is a serious problem for individuals and corporations alike. IDC says the worldwide market for anti-spam products will hit $US1.7 billion by 2008, up from $300 million in 2003. And according to Ferris Research, up to 500 million seats of anti-spam software will be installed in 2008 Mention the word spam to any e-mail administrator, and expect a growl in response. This plague of unwanted junk e-mail not only devours bandwidth, clutters up mail servers and jams in-boxes, it often carries with it viruses or spyware that put corporate security at risk.
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