Campaign Email Length | Best Practices October 21, 2019 21:12 Updated The length of the email will depend on a few factors to ensure an email marketer is best optimizing their marketing communication. Please see out Email Deliverability article for more information around best practices for Email Length. Related articles Campaign Best Practices Recommended Image Size for Marketing Templates Image Recommendations for Campaigns & Landing Pages Subject Line | Best Practices Email Design: Font Sizes and Rendering