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Essential Linux® Administration: A Comprehensive Guide for Beginners by Serge Palladino, Chuck Easttom

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Chapter 16. Email Servers

Email has become a ubiquitous part of modern life. Most organizations of any significant size have their own email servers. This means that learning about email and how to set up an email server is an important task for any network administrator. In this chapter, I will go over the basics of email (protocols, headers, and so on), show you how to set up email servers, and finish by discussing email clients.

Email Essentials

Email is based on certain Internet protocols being used to send email messages between clients and servers. Email does not move from your client directly to the target machine. First, it is sent to your email server and then forwarded to the target email address’s server, where it is eventually downloaded ...

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