"This year the cost of receiving, storing, and handling spam will cost the average corporation $49 per mailbox in 2003, for a total of $20.5 billion worldwide. And the portion of email that is spam is expected to double by 2007." Radicati Group
"...computer virus attacks cost global businesses an estimated $55bn (£30bn) in damages in 2003; a sum that is expected to increase this year." Reuters ZDNet
"By 2005, some 50 percent of business email accounts will be hosted by service providers. The reason is simple: Hosting lets someone else worry about spam, viruses, legal compliance, storage, and security patches while you focus on your company's business." IDC Research
