We just added 3 new spam filters to our Inbox Inspector tool: Outlook 2007, Norton Internet Security 2008 and McAfee Security Center 2008.
MailChimp’s Inbox Inspector is an add-on that lets you check your email campaign’s "score" with all the major spam filters. With one click, you can tell what the likelihood is of your email getting blocked by inbox spam filters, server filters (like Postini, BrightMail, MessageLabs, and Spam Assassin), and Gateway filters like IronPort. Here’s a screenshot of what the spam filter check report looks like:
To learn more about how spam filters work (and how to avoid getting trapped), check out the Deliverability section of the MailChimp email marketing resource center: