Respmail is a response HTML email template designed to work on all major email platforms and it is built with media query, making it responsive for smartphones that supports media query. It serves as a foundation that has been tested and thoroughly reviewed for compatibility, very easy to customize and make changes.
Using MailChimp's html email template (blue-print) as the foundation, this template is an improved version with more row options, re-defined structure and many fixes for Outlook, Yahoo, Hotmail, Gmail e.t.c.
http://www.charlesmudy.com/respmail/
https://github.com/mailchimp/Email-Blueprints
Anyone with strong knowledge of html email coding can make a pull request for changes and improvements. Please always clarify and if possible share online resources to prove or view your suggestion.