All Guides

8 expert guides on email marketing, deliverability, and engineering.

Email authentication isn't optional anymore. Google and Yahoo now require SPF, DKIM, and DMARC for bulk senders. Here's how to set them up correctly.

Forget what you know about modern web development. Email HTML is a different world. Here are the structural patterns that actually work.

Dark mode can wreck your carefully designed emails. Learn the three types of dark mode rendering and how to handle each one.

Your welcome sequence is the highest-ROI email automation you'll ever build. Here's a battle-tested 7-email framework that works across industries.

Growing an email list is hard. Buying lists is suicide. Here are 21 ethical, effective strategies for building a high-quality subscriber base.

Sending from a new IP without warming up is like showing up to a job interview in pyjamas. Here's how to build sender reputation the right way.

GDPR is not as scary as the consultants make it sound. Here's a practical, no-nonsense guide to what email marketers actually need to comply with.

Open rates are unreliable. Click rates are incomplete. Here's how to build an email analytics framework that actually tells you what's working.