Additional Resources; Installed Documentation - Red Hat ENTERPRISE LINUX 5 - DEPLOYMENT Deployment Manual

Chapter 24. Email
Again, answer all of the questions to complete the process.
Once the certificate is generated, it is possible to use the stunnel command to start the imapd mail
daemon using the following command:
/usr/sbin/stunnel -d 993 -l /usr/sbin/imapd imapd
Once this command is issued, it is possible to open an IMAP email client and connect to the email
server using SSL encryption.
To start the pop3d using the stunnel command, type the following command:
/usr/sbin/stunnel -d 995 -l /usr/sbin/pop3d pop3d
For more information about how to use stunnel, read the stunnel man page or refer to the
documents in the /usr/share/doc/stunnel-<version-number>/ directory, where <version-
number> is the version number for stunnel.

24.7. Additional Resources

The following is a list of additional documentation about email applications.

24.7.1. Installed Documentation

• Information on configuring Sendmail is included with the sendmail and sendmail-cf packages.
• /usr/share/sendmail-cf/README — Contains information on m4, file locations for Sendmail,
supported mailers, how to access enhanced features, and more.
In addition, the sendmail and aliases man pages contain helpful information covering various
Sendmail options and the proper configuration of the Sendmail /etc/mail/aliases file.
• /usr/share/doc/postfix-<version-number> — Contains a large amount of information
about ways to configure Postfix. Replace <version-number> with the version number of Postfix.
• /usr/share/doc/fetchmail-<version-number> — Contains a full list of Fetchmail features
in the FEATURES file and an introductory FAQ document. Replace <version-number> with the
version number of Fetchmail.
• /usr/share/doc/procmail-<version-number> — Contains a README file that provides an
overview of Procmail, a FEATURES file that explores every program feature, and an FAQ file with
answers to many common configuration questions. Replace <version-number> with the version
number of Procmail.
When learning how Procmail works and creating new recipes, the following Procmail man pages are
invaluable:
• procmail — Provides an overview of how Procmail works and the steps involved with filtering
email.
• procmailrc — Explains the rc file format used to construct recipes.
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