If you use Microsoft Outlook Express then OEMan is THE mail manager

Automatically send html birthday/anniversary/bulk emails to Outlook Contacts

An affordable and easy-to-use email sorting solution for Pocket PC Outlook!

Unlock blocked Outlook attachments with this free software program - free to use

BackupTool for Outlook Express - Backup all your important Outlook data

Set new standards in versatility, security and user access control

Specially designed for networks with little or no IT staff

Connection from a client's host to a remote private network via an encrypted.

for MS Outlook allowing cooperation between Kerio MailServer and MS Outlook.

It is designed as a "secure mail server accessible from anywhere".