Die Anatomie einer schlechten Werbe-Email

How often do you think about junk mail? Probably not too often, because there's a folder in your email that thinks about it for you, right?

But consider this: according to Return Path, marketing emails are responsible for 70% of 'this is spam' complaints. That means even if you don't think about junk mail as a recipient, as a marketer, you should all be thinking about it all the time -- specifically, whether your own marketing emails are part of that 70%...