Setting the E-Mail Client

You need to configure an e-mail client (MUA) before you and your users can receive and send e-mail. The MUA(s) you decide to configure depend on user preferences and which user interfaces are available on your computer. If your Red Hat Linux system has no GUI, you must choose a text-based e-mail client. The next sections show you how to configure one GUI MUA (Netscape Messenger) and three of the most popular text-based MUAs (mail, elm, and Pine). Although the steps vary for other clients, the basic concepts are the same for configuring all MUAs.

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Configuring POP3

The steps involved in setting up POP3 include:
1. Installing the package that contains the POP3 daemon
2. Editing the file /etc/inetd.conf to make POP3 services available
3. Restarting the inetd daemon to make the changes in step 2 take effect
4. Checking that the POP3 daemon is accepting connections

Your Linux operating system installation procedure may have already set up POP3 for you. Before you start setting up POP3, therefore, you should use your favorite package manager to query whether POP3 is already installed.

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