Available on a free to try basis, for a limited duration of 30 days, Mailismus is a mail server application that offers high-speed and high volume capabilities. Supported in various Windows platforms, you can implement this utility in Windows 2000, 2003, 2008, 7, NT, XP, Vista, and Server versions. Designed and developed by Grey Software, you can use this tool to implement SMTP server and MX secondary for outgoing traffic and a distribution point for incoming mail traffic. Some of the important features offered by this tool include high security, options to configure as per user requirements, and extensive options for logging, transcripting, and auditing. The tool also comprises anti-spam features.