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MUN Email - Unplanned Service Disruption on Monday, July 20th

The Memorial University main campus email service experienced an unplanned service disruption on Monday, July 20th, at 4:30 PM until July 21st 9:15 AM.

During a scheduled service migration to new server hardware, one of four major email servers developed an account database corruption. During the period noted above, the campus email service would normally process approximately 185,000 legitimate email messages. C&C estimates that approximately 13,000 legitimate email messages were erroneously rejected due to the technical failure. The senders of the messages would have received responses similar to the sample text included below, and would contain text like "No such user" or "User unknown".

C&C regrets this disruption in service and has taken steps to adjust testing and service migration procedures.

Sample rejected message to senders:

Your message could not be sent.
A transcript follows.
The number of attempts made: 1
Addressed to first.last@mun.ca
Mon, 20 Jul 2009 18:06:23 -0300
Failed to send to identified host,
first.last@mun.ca: [134.153.232.57] 551 5.1.3 No such user
--- Message non-deliverable ---

For further information, please contact the Computing and Communications Service Desk at 737-4595 or help@mun.ca.
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