CMailServer, a mail server for Windows, enables you to send and receive e-mail via the Web and Outlook. It runs on the Internet, intranets, and local area networks. It meets the needs of schools, companies, and government departments' internal LAN construction. CMailServer sends mail directly without an Internet server and supports ESMTP authorization. Version 5.2.2 may include unspecified updates, enhancements, or bug fixes.