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The Practice of System and Network Administration, Second Edition by Thomas A. Limoncelli, Christina J. Hogan, Strata R. Chalup

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Chapter 23. Email Service

Email is a service that companies rely on to conduct business. Everyone expects email to simply work, and outages are unacceptable. It is often the only application that your CEO uses. Your CEO’s impression of the reliability of email can have far-ranging effects on other aspects of the SA team, such as budget and reputation.

Nearly 45 percent of business-critical information is housed in email message storage (Osterman 2000). For many companies, it is one of the primary ways for existing and for potential customers to contact the sales and support staff. Reliability should be the focal point of the email service, with scalability a close second.

If you are to build a successful email system, you must also have good ...

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