We've found five great tweaks and add-on features that will boost the productivity of your Mac, and even you, all in the twinkle of a URL. One of the great things about Apple's Mail application is that when new messages arrive, Mail's Dock icon tells you how many there are. However, one limitation of this feature is that the number displayed includes only the messages in your inbox. If you've got a number of Mail rules (automated actions that can be applied to messages as they arrive or whenever you're done with them) set up to automatically sort messages into folders - or if you've manually moved messages to other folders but kept their status as unread - Mail's Dock icon won't include those messages.
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