Today, Email or electronic mail marketing is the cheapest and convenient form of digital marketing, in which we can target huge audience in less time by sending email. We can connect with users in one click and spread the information about our products and services. The right technique ensures the right and great business growth, so it is really important for us to choose and implement the right strategy at the right time. Many things can be done through email marketing, including selling a product, sharing news or information, or telling your brand story.