Enterprise class turn-key email archiving for business. ArchiveVault is a standalone appliance-based solution that provides all the tools needed to capture, store, and recover incoming, outgoing, and internal email. The archiving solution provides a secure web-based management utility to quickly search and find any email which has traversed the system. The ArchiveVault system is mail-server independent. The device can sit in front of your existing mail-server infrastructure and smart-host messages to the internal MTA, or archive message post-delivery via the SMTP server. Sendmail, qMail, Postfix, Exim, Microsoft Exchange and other MTA's are supported. ArchiveVault has no per user licensing fees, no complicated hardware issues and no security holes to patch and no additional hardware or software is required, just plug the server into your LAN and administer the software via the WebAdmin control panel... 

http://www.atmail.com/archivevault/

Next-generation email archiving and storage management solution for compliance, policy management and electronic discovery... 

http://www.athenaarchiver.com

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