Manage, maintain, and secure email servers Includes small office all the information you need to easily manage your own Linux serverLearn email how to provide web access to email, virus and spam protection, and moreThoroughly includes open source tools such as Postfix, Courier, SpamAssassin, ProcMailA approach and step-by-step in which the reader is taken through an example with screenshots and explanations are clear enough to facilitate learning In Detail Many businesses want to run their email servers on Linux for greater control and flexibility in corporate communications, but started to become complicated. Some complexity arises from the fact that an email server consists of several components that must be installed and configured separately, then integrated together. This book gives you just what you need to know to set up and maintain an email server. Unlike other approaches related to one component at a time, this book provides step-by-step approach in all server components, leaving you with a complete email server that works for your small business network. Starting with a discussion about why you even have to consider hosting your own email server, this book covers setting up mail server. The emphasis is on simple guidelines, practical and reliable. Based entirely on free, Open Source software, this book will show you how to organize and manage your email servers with ease. What you will learn from this book: You will Install Postfix mail transfer agent and set up an environment to send and receive email messagesImplement two standard service email retrieval protocols - POP3 and IMAP - to use the Courier mail server IMAPConfigure an easy-to-use client open source e-mail - Mozilla Thunderbird - on your systemInstall webmail and maintain an efficient solution for your clients with a username and password from SquirrelMailPrevent sent in plain text instead of their encryption to prevent eavesdroppers from intercepting a valid account detailsConfigure relay permission for static and dynamic IP addresses , and protect servers from filter abuseCreate postfix mail relay, sorting incoming mail into separate folders, pre-process your mail, start any programs upon mail arrival and selectively forward certain incoming mail automatically to someone using ProcmailAutomatically filter all mail to spam by integrating SpamAssassin with mail serverSecure mail server by configuring an email virus scanning system with Clam AVCreate scheduled backup to recover from the disaster sustained loss of service in case of major hardware or software damage Approach This book takes a practical, step-by-step approach to working with email servers. Who is this book written for? This book is aimed at technically confident users and new system administrator and part-time in small businesses, who want to set up a Linux based email server without spending a lot of time to become experts in individual applications.