This document provides an overview of best practices for email marketing. It discusses why email marketing is effective due to its ubiquity and low cost. It also covers topics like building an email list, segmentation, tracking analytics, compliance with CAN-SPAM regulations, and using email service providers to simplify the email marketing process. The key recommendations are to only email subscribers who have opted in, give people a way to unsubscribe from emails, and set measurable objectives for email campaigns rather than just focusing on sending a high volume of emails.