According to Wikipedia , Email Marketing is the act of sending a commercial message, typically to a group of people using Email. In its broadest sense, every email sent to a potential or current customer could be considered email marketing . What is Email Marketing? According to Optinmonster.com, Email Marketing is a highly effective digital marketing strategy of sending emails to prospects and customers. Effective marketing emails convert prospects into customers and turn one-time buyers into loyal, raving fans. There are two broad types of Emails - Engagement Emails and Transactional Emails . The types of Engagement emails are Welcome mail, Tutorial or Tips mail, Customer stories, Brand Stories etc. Transactional emails are relevant to transactions your subscribers have had with your business. Unlike engagement emails, their objective is to initiate or close on a sale. They are also be used to send or request updates on customer...