Mail Enable Standard (Free Personal Version) is a mail server for Windows NT/2000/XP. It supports SMTP and POP3, an unlimited amount of email addresses, domains, groups and mailing lists. It comes with powerful relay control options, SMTP authentication, APOP authentication and several anti-spam measures. The program makes uses of the MMC console, thereby integrates into Windows. All the configurations are available from an easy to use interface and can be cerified, using the built in diagnostic utility.