Schedule cleanup automatically moves or deletes email from a specific sender after 30, 60, or 90 days. If you subscribe to a daily deal site (like LivingSocial or Groupon) or newsletter and never want to see anything but the most recent message, you can use a scheduled cleanup to do the work for you.
You can even set simple rules to automatically file away emails from specific senders, so they never hit your inbox in the first place. Here's how: