Purpose of the Service
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Email is backed up specifically for the purposes of enabling Tufts to recover from a disaster. Email is a highly available service that keeps three "live" copies of each mailbox between two separate data centers at Tufts. These back-ups are kept as a precaution.
Retention Period for Email
Each mailbox database is backed up throughout the day and then back-ups are aged to retain at oldest a copy of mail that is 21 days old. In the event of a Disaster, Tufts will seek to restore the most recent good copy of mail for the entire environment.
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