Overview

In depth guide to implementing antispam solutions using SpamAssassin FEATURES AT A GLANCE * Implement the right antispam solution for your network and your business requirements * Learn how to detect and prevent spam * Optimize SpamAssassin for all major mail servers and clients * Discover how to use SpamAssassin as a service Spam has become a serious problem for businesses, wasting employees' time and costing millions of dollars. To combat this growing problem, a number of applications and services have been developed, and SpamAssassin is one of the most effective and popular Open Source solutions. Free to use, flexible, and effective, SpamAssassin has become the most popular Open Source antispam application. Its unique combination of power and flexibility make it the right choice. This book will now help you set up and optimize SpamAssassin for your network. As a system administrator, it's down to you to implement, configure and adapt SpamAssassin to fight the Spam War. Fortunately, in SpamAssassin you chose well. Its power and flexibility make it a potent tool. However you also know that any flexible application is only as good as how it's set up and configured. This book is a comprehensive guide to the features, options and implementation strategies you need to get the most of out SpamAssassin. IN DETAIL SpamAssassin As a busy administrator, you know Spam is a major distraction in today's network. The effects range from inappropriate content arriving in the mailboxes up to contact email addresses placed on a website being deluged with unsolicited mail, causing valid enquiries and sales leads to be lost and wasting employee time. The perception of the problem of spam is as big as the reality. In response to the growing problem of spam, a number of free and commercial applications and services have been developed to help network administrators and e-mail users combat spam. It's up to you to choose and then get the most out of an antispam solution. Free to use, flexible, and effective, SpamAssassin has become the most popular Open Source antispam application. Its unique combination of power and flexibility make it the right choice. This book will now help you set up and optimize SpamAssassin for your network. What you will learn from this book This comprehensive and detailed guide answers all your SpamAssassin questions. You will learn about: * Spam detection and prevention * Installing and running SpamAssassin * Using Bayesian Filtering * Configuring mail clients * Rewriting spam messages * Integrating SpamAssassin with external services * Blacklisting and whitelisting * Increasing Performance * Using SpamAssassin as a service * Using SpamAssassin with Fetchmail, postfix, sendmail, Exim, Qmail, procmail * SpamAssassin rules Approach Written specifically for busy network and system administrators, the book is a detailed and practical guide to implementing the right antispam solution for your network and your business requirements. You'll go from a detailed walk through of initial set up, to advanced configuration options like Bayesian filtering, listing, rewriting and rules. The book shows how to optimize SpamAssassin for all major mail servers and clients. Who this book is written for If you are a network or system administrator and you're either using or evaluating SpamAssassin, this book will increase your understanding and transform your productivity.

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9786611348168

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