Using React/Node for responsive email

I am new to Node js and React js. I have been given the following task.

I need to create an email sending system using Node js and React js. The body of the email should be rich HTML and CSS and should be appear same on different mail servers like Google, Yahoo, Outlook.

So, till now I have been able to generate an express app, that is able to send emails. To get rich HTML and CSS body of the email, I am using an email template from zurb.com/ink. I am able to send a responsive email using Hogan.js .

But I am not sure of where and how to use React js?

via M.D