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Email is one of the primary uses of a Fedora Linux based server or desktop system in both home and business environments. Given both the importance and popularity of email it is surprising to some people to find out how complex the email structure is on a Linux system and this complexity can often be a little overwhelming to the Linux newcomer.
The good news is that much of the complexity is there to allow experienced Linux administrators to achieve complicated configurations for large scale enterprise installations. The fact is that for most Linux users it is relatively straight forward to set up a basic email systems system so that they can send and receive electronic mail.
In this chapter of [[Fedora Linux Essentials]], we will explain the basics of Linux based email configuration and step through configuring a basic email environment. In the interests of providing the ''Essentials'', we will leave the complexitiesof complexities of the email system for more advanced books on the subject.
== The structure of the Email System ==
== Configuring Postfix ==
The main configuration settings for Postfix are located in the ''/etc/postfix/main.cf'' file. There are many resources on the internet that provide detailed information on Postfix so this section will focus on the basic options required to get email up and running.
The key options in the main.cf file are:
Other settings will have either been set up for you by the installation process or are not needed unless you are feeling adventurous and want to configure a more sophisticated email system.
The format of myhostname is host.domain.extension. For example if your Linux system is called MyLinuxHost and you your internet domain is MyDomain.com you would set the myhostname option as:
myhostname = mylinuxhost.mydomain.com
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