Set up a Mail Filter in IncrediMail

My grandfather was a gardener, and I like to believe that I, too, have a green thumb. At least I love all florae, and I appreciate their filtering and cleaning the air around me. IncrediMail can't do that, but it can filter mail:
Message rules are great (to have your mail sorted automatically, for example), and in IncrediMail they are easy to set up, too.