This document provides best practices and guidelines for creating effective emails. It discusses the importance of keeping emails short and digestible for readers, being consistent with a regular schedule, and tailoring the tone of emails to different audiences. It also covers common types of emails like newsletters, catalogs, announcements and invitations. Additional tips include planning for images to be blocked and considering email width. The document concludes with an example of how one organization implemented email marketing best practices through tools like Campaign Monitor.