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Performance: Some email not delivered from Cornell to various domains 5/15-

Last Updated:
2015-05-22 00:00:00
2015-05-22 00:00:00
Brief Description:
User Impact:
There is no workaround for this issue
Current Status:
Services Affected:
Full Description:
Late last week, a partial block was triggered for email from Cornell to as a result of too many emails being sent to invalid addresses at domains hosted by This affected some email from Cornell to domains from 5/15 to 5/20. Cornell engineers have gotten the block removed and remind people doing large mailings to check to make sure they delete out-of-date addresses from future mailings. \n\nSince only one of Cornell's email servers was blocked, most mail to domains hosted at went through, and if someone retried a failed message, there was a significant chance it was delivered. A notification of non-delivery, or bounce message, was sent to anyone whose message did not go through. If no bounce message was received, it is safe to assume that the email was delivered successfully. \n\nAmong the domains likely to be emailed from someone at Cornell are:\ \\\\\\\\n\nA larger (though not all-encompassing) list may be found at:\n\n\nSince the block is no longer in place, any messages that were not delivered this week to addresses may be re-sent and should be delivered without an issue.