MailSite Collaborator SE is a low cost, secure and easy to use alternative to Microsoft Exchange 2007 for small enterprises. Award-winning MailSite Collaborator SE includes a mail, calendar and contact server, spam and virus protection, a rich AJAX web client and it works great with Outlook 2007, Windows Vista Mail, Windows Vista Calendar, Mac Mail, Mac iCal, Google Calendar, Outlook Express, Mozilla Thunderbird, and Qualcomm Eudora. Version 8.0.3 features calendar and contact server; new AJAX web mail, calendar, and contact client; improved anti-spam with greylisting.
||Free to try
||Windows 2000/XP/2003 Server