Free Email Guides

Master email
marketing & deliverability

Free guides on email authentication, deliverability, best practices, and technical implementation. Learn from the experts.

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Everything you need to master email

Authentication

What is DKIM?

Learn how DKIM email authentication works and why it matters for deliverability.

Authentication

What is SPF?

Understand SPF records and how they protect your emails from spoofing.

Authentication

What is DMARC?

Complete guide to DMARC policies and email security best practices.

Deliverability

Email Deliverability Guide

Improve your email deliverability with best practices and proven strategies.

Analytics

Email Open Rates

Industry benchmarks and strategies to improve your email open rates.

Best Practices

Email Marketing Best Practices

Comprehensive guide to email marketing: timing, content, design, and more.

Deliverability

Email Bounce Rate

Understand hard vs soft bounces and how to reduce your bounce rate.

Analytics

Email Click-Through Rate

Optimize your CTAs and improve email click-through rates.

Fundamentals

Transactional vs Marketing Email

Understand the legal and technical differences between email types.

Technical

Email API Guide

Everything you need to know about email APIs with code examples.

Deliverability

Email Sender Reputation

Build and maintain a positive sender reputation for better deliverability.

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