Email is pervasive in virtually all organizations: the average user sends or receives 145 emails on a typical workday, spends 165 minutes each workday doing something in their email client, and uses email more than all other modes of communication combined. The result is that email has become more or less like a utility akin to electricity: it is critically important to get work done, it must operate with very high levels of reliability, and it should be as inexpensive as possible.


The goal of this white paper is to present an Osterman Research analysis of the Total Cost of Ownership (TCO) for several leading email systems, including Microsoft Exchange, Google Apps, IBM Lotus Domino and Novell Groupwise.

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