This document provides information on email marketing best practices. It discusses determining the purpose and goals of an email marketing campaign, defining the target audience, selecting content and a sending frequency, choosing an email marketing provider, designing templates, segmenting email lists, setting up tracking, and testing email designs. The document also covers how to measure campaign performance through metrics like click-through rates, unsubscribes, bounces, website traffic, and signups. Testing designs in different email clients and sending tests to others is recommended to ensure designs render properly across platforms.