If you use Apple’s Mail app on your Mac to read and manage your email, you know that it puts the number of unread emails in a little red circle on the top right of the Mail icon in the Dock. If you’re like most of us, however, that number is usually a.) larger than you want it to be; b.) not very descriptive. How many of those emails are actually for you, personally? Today’s tips shows you how to make that happen..