Although email remains the dominant form of electronic communication, it faces significant challenges from real-time communications such as instant messaging and from parasites, including viruses and spam, that threaten the health of the email host. In a newly published study, IDC predicts that nearly 84 billion emails, more than 33 billion of which will be spam messages, will be sent daily worldwide in 2006. For email to retain its status as the prevailing form of electronic communications, email solution providers and their customers must uphold the high value of email while reducing the associated costs and risks.
IDC estimates that the size of business email volumes sent annually worldwide will exceed 3.5 exabytes in 2006, more than doubling the amount over the past two years (Note: 1 exabyte = 1 thousand petabytes = 1 million terabytes = 1 billion gigabytes).
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