Email archiving has never been easier and more reliable than using Cryoserver email archiving software. Check out our great, secure, advanced product... 

http://www.cryoserver.com/

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/

LiveOffice is a leading provider of hosted email archiving solutions that require no hardware or software investment nor dedicated IT staff. Email archiving ensures the integrity of both emails and instant messages, simplifies the electronic discovery, (e-Discovery) process and helps companies protect against the risk and expense of lost or misplaced electronic messages... 

http://www.liveoffice.com/archiving/email-archiving.asp

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

http://www.athenaarchiver.com

Whether you're looking for an Exchange Hosting service to replace an in-house system or you're tired of the downtime and lack of customer support with other hosted email providers, USA.NET can help! Our Microsoft Exchange Hosting software-as-a-service (SaaS) provides complete reliability, security and scalability backed by a commitment to operational excellence. SMBs and Enterprises alike can choose from three tiers of Hosted Exchange with all tiers including spam filtering, virus protection, multiple secure access methods and a 99.9% SLA. Your organization can leverage powerful business email collaboration capabilities, allowing your users to share calendars, contacts, tasks and files. 800-653-0179... 

http://www.usa.net