It is an easy to install and maintain electronic mail server and instant messaging server licenced under the GPL.
It provides all features of a modern mail server like spam filters, virus protection, quota management, POP3 and IMAP4 access (also encrypted) and a webmail application. It will also provide an instant message service based on the open protocol XMPP, which can optionally connect to other XMPP based IM netwoks like Google Talk or Jabber.
It comes as an install CD, which automatically installs the server on any Intel i386 compatible hardware and is completely administered via an easy web interface.
These details are provided for information only. No information here is legal advice and should not be used as such.