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Lessons in email

Sharing in depth email design and code articles, tools and email updates.

Articles

Ultimate Guide to Typography in Email

From choosing a Typeface for your email design, to the code and progressive enhancements you can implement in emails.

Tools

MSO Comment Creator

Generate the right MSO conditional comments for targeting specific versions of Outlook — without wrestling with the syntax yourself.

Color Contrast Checker

Check text and background colour combinations against WCAG AA and AAA accessibility standards with a live preview.

X-Height Font Comparison

Compare up to five typefaces side-by-side on a shared baseline to see how their x-heights and proportions stack up against each other.

CORS Policy Checker

Quickly verify whether a URL is configured with Access-Control-Allow-Origin: * so you can safely load external resources in email.

htmltest.email

Free HTML email testing tool. Paste your code and send a test in minutes.

email-placeholders.com

Free placeholder images built specifically for email — sized, formatted and ready to drop straight into your HTML.

Email Dev Newsletter

Subscribe for Email Dev updates monthly and emergency emails when email clients update and break things...

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