Linux sendmail administration pdf

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Part I, Administration, covers all aspects of handling sendmail, from are available only for FreeBSD and Linux as of V sendmail. The author and publisher have made their best efforts to prepare this book, and the content is based upon final release software whenever possible. Portions of. see Linux Network Servers 24seven by Craig Hunt (Sybex, ). The code that Caldera and Red Hat use to start the Sendmail daemon is.

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Linux Sendmail Administration Pdf

Sendmail daemon: Receive SMTP mail. ❑ Listens to port 25 to process incoming mail. ❑ Started during system startup,. ❍ Linux: /etc/rc.d/init.d/sendmail. This document describes the setup, care and feeding of Electronic Mail (e−mail) under Linux. It is primarily intended for administrators, rather than users. This software relies on the transport agents described in the Mail Administrator's HOWTO (which also include user-agent configuration and troubleshooting tips.

It is not tied to any one transport protocol -- its function may be likened to a crossbar switch, relaying messages from one domain into another. In the process, it can do a limited amount of message header editing to put the message into a format that is appropriate for the receiving domain. All of this is done under the control of a configuration file. Due to the requirements of flexibility for sendmail, the configuration file can seem somewhat unapproachable. However, there are only a few basic configurations for most sites, for which standard configuration files have been supplied. Most other configurations can be built by adjusting an existing configuration file incrementally. However, since sendmail is designed to work in a wider world, in many cases it can be configured to exceed these protocols. These cases are described herein. Although sendmail is intended to run without the need for monitoring, it has a number of features that may be used to monitor or adjust the operation under unusual circumstances. These features are described. Section one describes how to do a basic sendmail installation. Section two explains the day-to-day information you should know to maintain your mail system.

PDF Linux Sendmail Administration Craig Hunt Linux Library Free Books

I hope all the copy is okay to read on various devices. The contents are written in simple and easy to understand format, mainly keeping in mind about the newbie Linux users who have come from other OS or just have installed any Linux Distros for the first time. The first chapter of this book has focused on the traditional history of Unix, Linux, Users Interface, features of Linux, and the various desktop environment.

Then you will be getting quickstart documentation on initial setup, login, password, GUI, Command Line Interface, files management, and necessary Linux command.

In the third chapter, you will be able to play with the Linux files system and partitioning. The fourth chapter will allow you to learn about various processing task related to users, Boot, Grub, and Multi-tasking inside out.

Moreover, it gives detailed information about Desktop environment, Graphical User interface, Shell Script, and setup, X window system and configuration, keyboard, date, language and fonts set up, installing software, and package management. There is a detailed step to learn about printing. Though Linux system is versatile and stable OS sometimes, it may get broken due to some tweaks.

There is a separate chapter which will teach you about backup and restoration of files and system image. Now we are living in an era of technology and networking. In the networking section, you will be learning about the local host and remote access networking, Internet setup and file transfer protocol , and above all the security aspects.

The sound and audio chapter teaches you about how to play music and movies on your system, streaming Internet television and a little bit of information about Internet telephony. The name doesn't really matter as long as the output is called sendmail. Providing a unique name for the configuration file for each host allows you to keep all configuration files in the same directory and is just an administrative convenience.

Let's look at two example macro configuration files so we know where we are heading. Most configurations today use SMTP only.

It is very simple to configure sendmail for SMTP. Example In addition, the vstout configuration sends all mail for other destinations to moria, its Internet relay host, via UUCP.

Index of /Linux

We'll explain them all in detail. A few of the items in the sendmail.

The general sequence of the definitions in the sendmail.

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