Some of our customers were unable to log into their email accounts between 12:00 pm ET and 12:30pm ET today. We experienced a connectivity issue affecting around 60% of Rackspace Email and 100% of Microsoft Exchange customers. Due to a power interruption at our Dallas (DFW) data center, upstream networking devices lost power. This prevented impacted customers from accessing our server environment.
At NO point was customer data at risk. All incoming and outgoing email was queued and delivered shortly after the issue was resolved. Affected customers may have experienced delays receiving or sending email during this incident. At this time, all Rackspace Email and Microsoft Exchange services have no known issues.
We understand how important email is to your business and apologize to any customers who have been affected by this incident. As a Rackspace customer, you can be confident that the fanatical approach we take to customer support is being poured into diagnosing, fixing, and taking measures to prevent future issues.
For further updates about this incident, visit the main Rackspace blog here.