Visual Appeal: Use high-quality images and graphics that are relevant to your message. Color Scheme: Utilize colors that resonate with your brand but also stand out in the email. Text: Keep it concise and impactful. Use bold fonts and contrasting colors for better readability. Call-to-Action (CTA): A clear and compelling CTA is crucial for driving actions. Relevance: The banner should align with the overall content of the email and the interests of your audience.