Crafting HTML Email

Chapter 2: Essential Best Practices

One of the most difficult aspects of HTML email coding is that every email client has its own quirks and features. Email clients usually end up with these quirks through the best of intentions. For example, they might turn a plain text website address into a clickable link. There’s also the issue of security. Email clients need to make sure that our email’s HTML and CSS won’t interfere with their own interface’s HTML and CSS. A malicious email could use certain CSS properties (like absolute positioning) to lure people into clicking on overlaid hidden links. So email clients should parse, filter and manipulate HTML email code. But this means that we, as email developers, must be aware of this and make our code ...