Multiple awards winner mail server with ultimate features, complete security and guaranteed stability. Provides a wide range of optional components and services including secured mail services, user-friendly Web-Mail, Anti-Spam with updates (SpamAssassin,SPF,SURBL,ChallengeResponse,DomainKeys,Greylisting), Anti-Virus, Instant Messaging (based on the Jabber XMPP protocol), GroupWare, FTP, ODBC and load balancing, monitoring and report facilities.