What is Respondable?
You can think of Respondable as your own personal email assistant. It lives in the Boomerang task pane and gives you a meter that reflects how likely it is you'll get a response based on a number of different factors. Based on our research, we have discovered certain factors of email have a stronger impact on whether or not you get a response, and the most significant factors are the ones you see featured. If you're interested we wrote blog post about our research that you can read here.
If you Open Boomerang, and click on Respondable in the task pane, it will open up with details about the email you're currently working on and will adjust as you continue typing or editing. With the help of Respondable, you'll be well on your way to writing the perfect email.