Email is so common, and such a pedestrian workhorse, that it's easy to take it for granted. But in a business setting, it's a fine opportunity for you to win (or lose) people's esteem, and it can have a very positive (or crushingly negative) effect on your employment. Let's take a look at a baker's dozen of ways you can make sure your email habits and etiquette are up to snuff. Note: we are not talking about marketing emails, but person-to-person business emails.