Complete Mail Server

The mail server should run on Windows 2000/NT/9x, supports SMTP/POP3/IMAP4/HTTP Internet protocols and has all the features that a normal sophisticated customer will ever need including full multi-domain support, top security features and more. Security is the most important issue. This mail server should offer a complete TLS/SSL protection, powerful antivirus support, anti-spam options and content filters. If you are able to do some of the features but not the others, then please tell me. ## Deliverables Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. Complete copyrights to all work purchased. ## Deadline information No specified timeframe. However, the sooner the better