Note: This is a Significant set of enhancements to NMS that required breaking backwards compatibility, this version will NOT upgrade from previous versions of NMS. You should export all data, save it to text files, etc.... and re-import the data later.
    * Complete templating support
    * Complete support for multipart messages (text and html)
    * Complete support for embedded images and attachments
    * Bounce Processing via pop3
    * Significant rewrite of the frontend (archive and showtemplate actions)

Thanks to _SjG_ for finding the simple templating issue that caused problems with empty email content on php4 hosts.