Clean HTML Email Templates: Avoiding the 10 Most Common Pitfalls
“Coding for email clients feels like traveling back to 1999. Learn how to tackle table-based layouts, inline CSS constraints, Outlook conditional comments, and dark mode overrides.”
1. The Enduring Reality of HTML Tables
Modern web developers rely on CSS Flexbox and Grid, but desktop Outlook engines (powered by Microsoft Word's legacy rendering engine) break on modern CSS properties.
To ensure your newsletters and transactional receipts look consistent across Gmail, Apple Mail, and Outlook, build on nested `<table>` structures with explicit `cellpadding="0"` and `cellspacing="0"`. Test your copy and formatting with our Markdown Editor before converting it into inlined email markup.
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