Gmail's filters are great — not only for sorting your mail. The proper rule can also clean your Inbox of, say, unwanted forwards. Maybe it massages the messages, too:
›› Are you getting nothing but jokes you did not ask for and amazing stories you don't read from a particular sender? Here's how to block them in Gmail and have all their mail sent right to the "Trash" folder, or at least out of the way for later review.