This is a modern online tool to send newsletters to many subscribers for a decent price. Interface is simple and intuitive and is easier to use than similar competitors such as MailChimp, for example.
Create campaigns, choose and customize templates with desired colors and graphic elements, create multiple lists if you using multiple websites or segments, view detailed reports.
Customize content of email fastest as possible with their online editor, or, if you are a tech savvy, edit CSS and HTML code.