Litmus will take an HTML email and run it through all sorts of mail clients, providing screenshots of how each one renders: http://litmusapp.com http://litmusap

Litmus will take an HTML email and run it through all sorts of mail clients, providing screenshots of how each one renders: http://litmusapp.com http://litmusapp.com (I'm not affiliated with them in any way, just found the app to be very useful while working on a recent project)