Email marketing is a type of internet marketing that occurs when a company sends promotional messages or content to groups of people by email. Typically, these messages include advertising, commercial messages, sales eligibility or charity, or calls for business. Any type of email can be considered as email marketing with the said content and their purpose is to acquire new customers, to build or expand the company's relationship with its current customers, and to develop trust, loyalty, or customer support. They have to consider a repetitive business with them. To provide them awareness about their brand. For email marketing to work, a marketer should be informed of the delivery of email. The way an email marketer is defined as measuring the success of your email campaign to reach a customer's inbox.