Message Mirror Archiving (includes 25GB of storage):
Raven Cloud Computing offers two types of archiving services:
MessageMirror® (Basic Archiving): Allows you to back up all messages sent and received by selected Exchange users. A user with certain access permissions can always access the archive mailbox to view or delete messages from the archive.
Compliant archiving: This service allows you to archive all messages in accordance with legal requirements. If you subscribe to Compliant Archiving, you sign an agreement with an archiving provider. Only the archiving provider will have access to the archive mailbox.