Writing effective source code for emails involves a few best practices:
Use Inline CSS: Many email clients strip out external stylesheets. Therefore, it's best to use inline CSS for styling. Tables for Layout: Unlike modern webpages, emails still rely heavily on HTML tables for layout. This ensures better compatibility across different email clients. Alt Text for Images: Always include alt text for images. This is useful for recipients who have images turned off by default or use screen readers. Test Across Clients: Test your emails across multiple email clients and devices to ensure they render correctly. Keep it Simple: Avoid overly complex designs and heavy use of JavaScript, as many email clients do not support them.