Email Newsletters are periodically sent Emails that inform the customers about the latest news and updates about your products or services. They are among the most effective digital marketing tools that help you communicate with your customers and share valuable content with them. The main purpose of a Newsletter is to retain the customers by educating and entertaining them through quality content. Their main aim is to motivate the reader to have a quick read of your blogs, check out a case study, sign in for an upcoming event or look and get something from the company's online store.