G-Archiver is your one click Gmail backup
exchange mail archiver
World's first "Real-Time" e-mail scanner.
We have no room for 2
Exchange Server plug-in (Antispam, Backup...)
ManageEngine Free Exchange Health Monitor
repair and recover orphaned Exchange OST file
Email management system for Exchange Server.
E-mail Shredder for Outlook Exchange Edition
Supports all compression formats, free!
Centrally Archive Emails on Exchange Server