Book Image

SpamAssassin: A practical guide to integration and configuration

Book Image

SpamAssassin: A practical guide to integration and configuration

Overview of this book

As a busy administrator, you know Spam is a major distraction in todays 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 email users combat spam. Its 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.
Table of Contents (24 chapters)
SpamAssassin
Credits
About the Author
About the Reviewers
Introduction
Glossary

Choosing a PC Platform


One of the selling points of Linux is that older PCs that cannot run the latest version of Windows can often be used for Linux. While this is true, there are other factors affecting the choice of a PC for a critical role.

Spam filtering is CPU-intensive. However, it is rarely worth paying a premium price for a fast processor, which costs more per processing unit than the older slow processors. High-speed disks are not required unless a multiple-CPU machine is highly loaded. Disk I/O is relatively low for spam processing. The disk space usage for an email gateway will be low. The server software installation can be less than 1 GB, and little additional space is required, unless the main email server is down for a period of time, in which case additional spool space will be required.

Older PCs often have no hardware support. If a component fails, there may not be an engineer call-out available, and a suitable replacement part may not be available for several days. Older...