Free SPF Filter for Microsoft Exchange

Found a cool filter for Exchange that allows SPF filtering.  This filter will become part of GFI mail essentials but at the moment is freeware!

http://www.michaelbrumm.com/smtpspffilter.html

It filters incoming mail and also tags the header.

Here's an eventlog picture:
(Oops - I lost it when I moved my blog - Sorry!)

Here's a header entry:
Received-SPF: none (chef.thefoleyhouse.ad: 212.87.86.80 is neither permitted nor denied by domain of listserve.novatech.co.uk) client-ip=212.87.86.80; envelope-from=bounce-eweekly_personalised-1486325@listserve.novatech.co.uk; helo=port-80.novatech.sc.newnet.co.uk;