While basic configuration of Postfix is easy, every site has unique needs that call for a certain amount of study. This book, with careful background explanations and generous examples, eases readers from the basic configuration to the full power of Postfix. It discusses the Postfix interfaces to various tools that round out a fully scalable and highly secure email system. These tools include POP, IMAP, LDAP, MySQL, Simple Authentication and Security Layer (SASL), and Transport Layer Security (TLS, an upgrade of SSL). A reference section for Postfix configuration parameters and an installation guide are included. Topics include:

• Basic installation and configuration
• DNS configuration for email
• Working with POP/IMAP servers
• Hosting multiple domains (virtual hosting)
• Mailing lists
• Handling unsolicited email (spam blocking)
• Security through SASL and TLS

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