Coding HTML for email can be tough. If you’ve missed even just a closing tag when coding, your entire email can be sabotaged. If you’ve included video, Flash, rollovers, JavaScript or even a simple picture or text, chances are it won’t show up the way you wanted it to—that is, if it even shows up at all. Some common problems are: In this infographic, we’ve included solutions for these common problems, as well as tips to make your coding job a success.