Short description of InBoxer for Outlook Spam 2.0: Award-winning InBoxer spam filter is top rated by reviewers around the world. Effectively blocks Outlook spam while making sure that you see the messages you need. How? InBoxer analyzes your mail folders to create a custom antispam filter just for you. New BlackBerry, Treo and handheld device plug-ins for spam-free remote access. Free trial.