Dooh! A typo left a tag I was looking for as 'x-decluded-sender' instead of what it's supposed to be 'x-declude-sender'.
Windows users can download the binary only and copy it to your SpamX program folder from:
http://www.hendricom.com/Downloads/spamxwindowsbinonly.zip
The changes are on the Web site. Make sure to back up your configuration files.
Windows -
http://www.hendricom.com/Downloads/spamxwindows.zip
Macintosh -
http://www.hendricom.com/Downloads/spamxmacintosh.zip
Linux -
http://www.hendricom.com/Downloads/spamxlinux.zip