This is an elegant solution. It reminds me of the Ruby on Rails email preview tool. I solved this same problem in a less fancy way: https://thoughtbot.com/blog

This is an elegant solution. It reminds me of the Ruby on Rails email preview tool. I solved this same problem in a less fancy way: https://thoughtbot.com/blog/building-templated-emails-with-mjml https://thoughtbot.com/blog/building-templated-emails-with-m...