It's a given that email drives ecommerce. But how does that happen? To find out, Iterable studied three types of ecommerce email, from welcome to blast. And it found that best practices are sometimes observed in the breach.

Direct mail works well when used with email in a coordinated multichannel campaign. Here are a few tips on how to do it, based on input from experts.

An email comes in, rating an email platform. It's good content -- I click through. But I'm skeptical. How do I know the author isn't on the take?