I downloaded an email template into Marketo and it looks great. It responds exactly like I want it too. However, when I send it to my email, it doesn't appear to respond like I had hoped. For reference, here's the template: EM – Auteur – v1 | Marketo Templates
The first one is what I get using Marketo in Firefox's responsive design viewer, which is exactly what I want.
I've tried viewing it in Inbox by Gmail, regular Gmail, and Apple Mail. Those are 3 pretty popular email viewers so I'd hope that it would work on those.
Then this is the one I get in Apple Mail (same situation for Inbox and Gmail).
I have tested this template, its completely responsive.
As Josh, suggested, please test it in Litmus because for me each browser client is showing correct.
It's not the browser. It's when I send an email and look at it. It tests great on Marketo in any browser, but when I send it to my email and test it, I don't get the same result.