A system and method for mail server backup. In one embodiment, the method may comprise storing one or more messages on a mail server, where each message is associated with an index time. The method may then perform a full backup by storing each message and a backup time associated with the full backup...http://www.google.com/patents/US7165082?utm_source=gb-gplus-sharePatent US7165082 - Incremental method for backup of email messages