The document provides content ideas for email marketing campaigns. It begins by introducing the authors as email marketing experts and consultants. The main section lists various types of content that can be used in emails, such as how-to guides, tips, third party content, case studies, interviews, and more. It suggests formats like articles, videos, and infographics. The document concludes by recommending best practices like including calls-to-action and reusing content, and advertising additional services from the authors' company.