MailEnable Standard MailEnable Standard provides SMTP, POP3 and webmail services for Windows 2000/2003/2008 systems. Simple installation procedure and powerful administration tools means that you will be up and running quickly. FREE for personal and commercial use.
MailEnable Professional MailEnable Professional Edition is a enterprise level mail server for Windows 2000/2003/2008. It supports SMTP and POP3, supports an unlimited amount of email addresses, domains, groups and mailing lists.