Users: advertiser, customer
As an advertiser, I want to design a marketing or promotional email so that it will attract more subscribers and boost my marketing ROI efficiently.
As an advertiser, I want to build a newsletter in a simple and easy way so that it doesn't require knowledge of website design or HTML.
As an advertiser, I want to make responsive marketing emails so that they can be viewed in devices of different sizes.
As an advertiser, I want to build my marketing emails using the various types of OS which are available to me such as Windows, Linux and Mac.
As a customer, I want to receive interesting newsletter emails so that I do not have to continuously delete the emails.