SmarterMail provides Exchange-level features to businesses, ISPs, and Web hosting environments at a fraction of the cost. With a significantly lower Total Cost of Ownership (TCO), SmarterMail is the best-in-class Microsoft Exchange alternative for businesses and hosting companies. Free version supports 10 mailboxes on a single domain.
What's new in this version:
Version 6.8.3750: Mailing list names can now be changed. The mailing lists grid is now sortable.