© David Both 2020
D. BothUsing and Administering Linux: Volume 3https://doi.org/10.1007/978-1-4842-5485-1_7

7. Introducing Email

David Both1 
(1)
Raleigh, NC, USA
 

Objectives

In this chapter you will learn
  • How email clients and servers function to transmit email from one user to another

  • How to install and configure SendMail to act as a mail transfer agent (MTA)

  • To configure the firewall for email

  • To configure name services to accommodate email with an MX record

  • How to test email using a command line email client

  • To use email headers to trace the origin and route of an email

  • To configure a host to use the email server as a smart host

  • To configure the aliases file to forward system level email intended for root to another email address like the student user

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