Providing the range of mail-related services expected by organizations can be a confusing, daunting process. Pro Open Source Mail: Building an Enterprise Mail Solution presents a comprehensive guide to managing the most important e-mail services, including user administration, mail transfer agents, remote e-mail access, virus protection, spam and e-mail filtering, web-based e-mail, and mailing list maintenance. Beginning with installation and configuration of the popular server-based operating system Fedora Core, the book outlines the system and network preparation process geared towards running a complete enterprise e-mail system. Subsequent chapters cover installation and configuration of sendmail, the popular POP3/IMAP server Dovecot, and ClamAV and SpamAssassin for virus protection and spam filtering. With a nod to the global e-mail availability now required by many organizations, this book also guides you through configuration of a web-based mail interface, mailing-list software, and advanced security and privacy topics. Pro Open Source Mail: Building an Enterprise Mail Solution 1 Table of Content 8 PART 1 Preparing Your Infrastructure 22 Chapter 1 An Introduction to E-mail 24 Chapter 2 Building Your Server 34 Chapter 3 Bringing Your Server Online for the First Time 52 PART 2 sendmail 72 Chapter 4 Introducing SMTP and sendmail 74 Chapter 5 Configuring sendmail and DNS 88 Chapter 6 Populating Your sendmail Databases 102 Chapter 7 Testing Your sendmail Installation 112 PART 3 Remote Client Access to E-mail with POP3 and IMAP 128 Chapter 8 Introducing POP3 and IMAP 130 Chapter 9 Introducing and Installing Dovecot 136 Chapter 10 Securing Remote Client Access with SSL 146 PART 4 Webmail 160 Chapter 11 Introducing and Installing Apache and PHP 162 Chapter 12 Introducing and Installing SquirrelMail 184 PART 5 Filtering E-mail 208 Chapter 13 Introducing E-mail Filtering with procmail 210 Chapter 14 Using MailScanner for Content Filtering 240 PART 6 Fighting E-mail Viruses and Worms 272 Chapter 15 Using ClamAV to Block E-mail Viruses and Worms 274 PART 7 Fighting Spam 292 Chapter 16 Introducing General Spam Countermeasures 294 Chapter 17 Introducing and Installing SpamAssassin 308 Chapter 18 Configuring SpamAssassin 318 PART 8 Managing Mailing Lists 342 Chapter 19 Introducing and Installing Mailman 344 Chapter 20 Mailman Site Administration and Mailing List Management 356 PART 9 Advanced Topics 386 Chapter 21 Advanced SMTP and E-mail Security 388 PART 10 Appendix 424 Appendix sendmail.mc 426 Index 430 *Pro Open Source Mail: Building An Enterprise Mail Solution is the first book to cover development and deployment of an enterprise mail server environment *Authored by Curtis Smith, a system administrator with more than five years of experience managing mail environments *Shows readers how to filter spam using the popular SpamAssassin open source project and how to stop viruses using the MailScanner, Amavis, and ClamAV projects Outlining the system and network preparation process geared towards running a complete enterprise e-mail system, this book covers user administration, mail transfer agents, remote e-mail access, virus protection, spam and e-mail filtering, and more
