Transactional Emails with MJML

When to Use This Skill

Use this skill when:

• Building transactional emails (signup, password reset, invoices, notifications)
• Creating responsive email templates that work across clients
• Setting up email testing infrastructure in development
• Implementing email preview/approval workflows

Why MJML?

Problem: Email HTML is notoriously difficult. Each email client (Outlook, Gmail, Apple Mail) renders differently, requiring complex table-based layouts and inline styles.

Solution: MJML is a markup language that compiles to responsive, cross-client HTML: