To get the most out of cache storage in your email marketing campaigns, consider the following tips:
1. Use Unique URLs for Versioning: Append unique query parameters to asset URLs to force the email client to download the latest version. 2. Keep File Sizes Small: Optimize images and other assets to reduce load times and improve performance. 3. Leverage Inline Styles: Use inline styles for critical elements to ensure they are always up-to-date.