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Understanding Disaster Recovery


Applies to: Office 365 Small Business, Office 365 ProPlus, Office 365 Enterprise, Live@edu, Forefront Online Protection for Exchange

Topic Last Modified: 2012-03-07

If your email server becomes unavailable for any reason, Forefront Online Protection for Exchange (FOPE) helps ensure that no email is lost or bounced. FOPE servers spool and queue email for up to five days. A message may be in the retry queue and delivery attempts made every 20 to 30 minutes until the 5-day timeout is exceeded. Once an email server is restored, all queued email is forwarded in a flow-controlled fashion.

The system can be set up to provide deferral notification in the event that email cannot be delivered, sending a text-based page to an administrator if email is unable to be delivered. For more information, see Configure Deferral Notifications.

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