When selecting a CDN service for your email marketing efforts, consider the following factors:
1. Performance: Look for a CDN that offers low latency and high-speed delivery. 2. Coverage: Ensure that the CDN has a broad geographic reach to serve your global audience. 3. Security Features: Opt for a CDN that offers robust security features to protect your content and your users. 4. Cost: Evaluate different pricing models to find a CDN that fits within your budget.