DOCTYPE Causing Issues in Email Design

Why !DOCTYPE is the Black Sheep of HTML Email Design

As if email development wasn’t already scary enough, it seems as though we are pushed even further into the HTML and CSS dark ages when it comes to the subject of DOCTYPE. After quite a bit of testing over the past year, we’ve have come to a very clear understanding of the DOCTYPE, it’s effect on your layout and how being aware of it can save a lot of time and frustration.