MS: E-mail Records Management and E-mail Retention

Great posts of Adam Harmetz @ Microsoft Records Management Team Blog about e-mail retention in Exchange 2007:

http://blogs.msdn.com/b/recman/archive/2006/12/19/email-records-management-part-1.aspx

http://blogs.msdn.com/b/recman/archive/2007/01/05/e-mail-records-management-part-2.aspx

http://blogs.msdn.com/b/recman/archive/2007/01/18/e-mail-records-management-part-3-e-mail-retention.aspx