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LPIC-1/CompTIA Linux+™ Certification All-in-One Exam Guide by Robb Tracy

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Managing an MTA

In most modern organizations, e-mail has become the backbone of communications. If you have any doubt, just visit any organization where the mail server has gone down. All productive work grinds to a halt.

Because e-mail has become such an integral component of most networks, you need to know how to manage a mail server. In addition, many Linux services, such as cron, rely on a local mail server to send messages to local users. Accordingly, you need to be familiar with managing a Mail Transfer Agent (MTA) on Linux systems for your Linux+/LPIC-1 exam. In this part of this chapter, we’ll look at the following topics:

• How e-mail works

• Using MTA management commands on Linux

Let’s begin by discussing how e-mail works.

How E-Mail ...

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