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This book teaches you how to design, deploy, secure, operate, and troubleshoot production mail servers using Postfix and Dovecot. It takes you from the fundamentals of email protocols through advanced topics like high availability, performance tuning, and automation. Every configuration is explained with its rationale and security implications, and every concept is demonstrated with complete, production-ready examples that work together as a cohesive system. Whether you are deploying your first mail server or managing a fleet at scale, this book serves as both a learning resource and an operational handbook.

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Kick off your book project, get started with GhostAI, get better at marketing, or spend the day doing all three! Free live workshops on Zoom. Saturday, June 27, 2026.

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