Responsive Design: Ensure your emails are built with responsive design principles to adapt seamlessly to different screen sizes. Readable Fonts: Use larger fonts and adequate line spacing to enhance readability on smaller screens. Clickable Elements: Design buttons and links to be easily tappable, with enough spacing to prevent accidental clicks. Concise Content: Keep your content short and to the point, making it easier for users to digest information quickly on a touchscreen. Visual Hierarchy: Use a clear visual hierarchy to guide users through your email, highlighting key actions and information.