What is Email Marketing? Email marketing is a marketing measure that uses email to approach customers. When you hear about email marketing, many people may say, "You mean e-mail newsletter?" While the purpose of e-mail newsletters is to "deliver information," the purpose of email marketing is to "change attitudes." Attitude change means that the recipient takes an action such as requesting materials or purchasing when the recipient reads the email. To be effective in email marketing When you are ready to start email marketing, there is only practice! I will explain when and how to send it!