freshmeat.net: Project details for DeskNow Mail and Collaboration Server

Found on FreshMeat.net...
freshmeat.net: Project details for DeskNow Mail and Collaboration Server: "DeskNow is a free mail and collaboration server. In addition to standard SMTP and POP3, it offers Web-based collaboration tools such as advanced Webmail with spam filtering, document management to let users store and share documents online, unlimited Web calendars with sharing and combined views, message boards, shared address books, unlimited domains, user classes with different privileges, whitelabeling, multiple color/image/font skins, and an extensive interface customization. It is currently translated in 14 languages, and can be easily translated into other languages. It can integrate with an existing qmail (using the maildir format), or run as a standalone SMTP and POP3 server. The Professional version offers secure instant messaging (Jabber/XMPP), WebDAV, access from PDAs, and a full HTTP-based API to control all its functionality from any programming language or shell script."