choose the Junk Mail tab and turn on Junk Mail filtering.
That will create a Junk Mail folder in the sidebar and you can create any number of rules to filter out your Junk mail and direct it to that folder.
The Mail app will learn what is Junk and what is not.
Hey guys, how can i have a folder or section in the sidebar in the Mail App for Junk ? That i receive to my Gmail account.