DataEnter

XWall for Windows 2003 / 2008 (64-bit)

Trial version

Comprehensive Firewall Solution for Windows

POPBeamer for Windows 2000 (32-bit)

Trial version

Overview of POPBeamer for Windows 2000

XWall for Windows 2003 / 2008 (32-bit)

Trial version

XWall Secures Exchange Servers Against Threats

POPBeamer for Windows 2003 / 2008 (64-bit)

Trial version

Route POP3 and IMAP Mail to Your Exchange Server

XWall for Windows NT

Trial version

Comprehensive Firewall Solution for Windows NT

AirSyncFilter (64 bit)

Free

Efficient Email Management with AirSyncFilter

SMTPBeamer for Windows 2000 (32-bit)

Trial version

SMTPBeamer: Efficient Email Software for Windows

CryptoFilter for Windows 2000 (32 bit)

Trial version

Secure Email Filtering with CryptoFilter