To create an HTML email, create a new campaign and go through the steps of the campaign creation process until you reach the “Design” step (this is the third step (after choosing the campaign type and selecting the list you will send to). At this step, you’ll see a variety of Designer templates:
Click “Build from Scratch:”
You’ll be presented with a modal window allowing you to choose from additional campaign options. Click “Custom HTML” to select it. Then click “Okay.” After specifying your sender information and creating your campaign’s subject line, click “Continue.”
You’ll be redirected to a simple HTML editor and preview. On the left side, you insert your code and on the right side you’ll see a preview of your code.