Aula Education incident
Delayed email notifications in Coventry environment
Resolved after 23 hours 27 minutes, affecting Notifications, on June 23, 2022.
SMTP server appears to be stable for now. We have developed and tested some mitigations that will be deployed early next week.
Affected components
Update timeline
- identified Jun 23, 2022, 04:15 PM UTC
We are currently observing a higher amount of errors in our email delivery pipeline in Coventry. This is likely to be a repeat of the issue we observed earlier in the week that was caused by throttling. We have raised the issue with Coventry IT teams to investigate.
- monitoring Jun 23, 2022, 08:12 PM UTC
The throttling appears to have been removed and all emails are now sending. We will continue to monitor the situation.
- monitoring Jun 24, 2022, 08:43 AM UTC
We have not observed any further throttling overnight or this morning. Continuing to monitor.
- monitoring Jun 24, 2022, 10:24 AM UTC
The SMTP server no longer appears to be responding. We have raised this with the Coventry IT Team.
- monitoring Jun 24, 2022, 12:52 PM UTC
The SMTP server has been restarted and is now sending email again.
- monitoring Jun 24, 2022, 02:53 PM UTC
SMTP server appears to be stable for now. We have developed and tested some mitigations that will be deployed early next week.
- resolved Jun 24, 2022, 03:43 PM UTC
This incident has been resolved.
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