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May 24, 2005

Virus E-Mail To Increase - Report

This year's rate of 900 million messages containing viruses is expected to grow to 4.2 billion messages by 2009.

Courtesy of Messaging Pipeline

The latest batch of Radicati Group statistics and forecasts contains some not so surprising, but definitely interesting news. As we have come to expect, the Palo Alto, Calif-based analysts are focused on e-mail and other messaging systems, and on the security issues that plague those systems.

Perhaps the most frightening statistic in the group's latest report is that e-mail traffic carrying viruses in 2005 amounted to 900 million messages per day. If that doesn't scare you enough, perhaps the group's forecast that the rate will grow to 4.2 billion per day by 2009 will make you sit up and take notice.

Here is the latest roundup of statistics and forecasts from The Radicati Group:


  • The number of e-mail users worldwide will increase at an average annual rate of 7% over the next four years, from 683 million users in 2005 to about 930 million in 2009.

  • In 2005, there are 381 million total active mailboxes in Europe out of 1,196 million worldwide. Each European user has an average of 1.9 mailboxes.

  • In 2005, corporate users account for 74% of European e-mail traffic. Over the next four years, increased use of e-mail by consumers will drive this percentage down.

E-Mail Clients

  • The number of worldwide email clients will grow from approximately 1.57 billion in 2005, to 2.73 billion in 2009.

  • The highest amount of growth in the email client market will be in the corporate Web client segment, where the number of installed corporate Web clients will increase by roughly 79% between 2005 and 2009.

Messaging Security

  • Worldwide virus traffic totaled about 900 million messages per day in 2005, and is expected to increase to 4.2 billion messages per day in 2009.

  • Most viruses are designed to propagate themselves either through e-mail, or by using a Peer-to-Peer (P2P) network. In 2005, 86% of viruses used e-mail as a self-propagation medium, while 49% used P2P networks.

  • In 2005, we expect that spam traffic will compose 53% of corporate e-mail traffic and 74% of consumer e-mail traffic. In total, spam will comprise 57% of worldwide e-mail traffic.
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