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Chapter 1 of 6 · What this guide is

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  1. What this guide is

    The Email Marketing Bible is a free guide on our site, with seventeen chapters and four appendices. Here's what's in each part, and where to start. You don't read this one cover to cover. It's a reference. Each chapter stands alone, so you go straight to the problem in front of you. It's built from 908 sources and 4,798 individual insights. Those sources are industry reports, practitioner blogs, academic research, platform documentation and community forums. Sources don't always agree. When numbers conflicted, the guide used the most commonly cited figure, or the one from the most authoritative source. So read its benchmarks as directional, not absolute. It opens with the case for email. Litmus puts the return at $36 for every dollar spent. Your own number depends on your program.

  2. Chapters 1 to 4: build the program

    The first four chapters build the program. Chapter one covers the six parts of an email program, and the metrics worth tracking. Chapter two grows your list and keeps it clean. Chapter three is segmentation. Chapter four is the automated flows that earn revenue. If you take one thing from the whole guide, it says to make it this. Set up your automated flows before you spend more time on campaign strategy.

  3. Chapters 5 to 10: write, send, measure

    Chapter five is copy, from the subject line through to the P.S. Chapter six is design, with mobile layouts, accessibility and dark mode. Chapter seven is deliverability, the longest chapter in the book. Authentication, sender reputation, warming up a domain, spam filters. A good email does nothing if it lands in spam. Then the feedback loop. Chapter eight is testing. Chapter nine is analytics and attribution. And chapter ten is compliance, with GDPR, CAN-SPAM and one-click unsubscribe.

  4. Chapters 11 to 17: go deeper

    Chapter eleven has playbooks for nineteen industries. Use yours as a diagnostic. Compare it with what you run today, then find the gaps. Chapter twelve helps you pick a platform. Thirteen covers cold email and B2B outbound. Fourteen looks at where AI helps and where it falls short. Fifteen studies ten companies, including Duolingo, Spotify and Nike. Sixteen lists the practitioners cited throughout. And seventeen collects email designs worth studying. Four appendices sit at the back. Benchmarks by industry. A frequency guide. An email calendar. And the methodology behind it all.

  5. Where to start

    So start with your problem. Fixing deliverability? Go to chapter seven. Building your first welcome series? Chapter four. Need tactics for your sector? Chapter eleven. And if bad addresses are the trouble, read chapter two. Its advice is to validate at signup, and clean the full list on a schedule. That's the part BillionVerify does. You don't need all of it today. Pick one chapter. Fix one thing. Then come back.

  6. Get started free

    20 free credits every day you use your account, up to 600 a month. No credit card required. Start at billionverify.com.

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The Email Marketing BibleThe Email Marketing Bible: list building, segmentation, deliverability, copywriting, and compliance, distilled from 908 sources and 4,798 practitioner insights.Read: The Email Marketing Bible

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