Duration:
24th November 2022
Initial ticket raised 18:15 (UTC)
Further reports of issue - Incident status - raised 19:44 (UTC)
24th November 2022
Fix released 20:30 – 21:30 (UTC)
Incident status – resolved 21:37 (UTC)
Impact: Initially one customer escalated an issue related to email to ticket processing issues. Whilst investigating this issue, our engineers identified that the same issue could be impacting further customers resulting in the status page notification. The impacted customers were experiencing issues with some of their email to ticket processing. These issues were not widespread for the affected customers and was occurring for a limited number of customers.
Cause: Following an issue with the outgoing email service on 23rd November, a very small number of customers experienced an issue with the TLS handshake of Microsoft servers servicing email relay requests at smtp.office365.com.
Resolution: Our engineers picked this up very quickly and were able to easily replicate it in our QA environment and we identified that an update to one of our platform components would provide a resolution. Our engineers had the fix in our QA environment very quickly and carried out fast-track QA testing. We have a very mature CI/CD pipeline that is able to build and deploy to all of our regions and the hotfix was deployed to all of our regions within approx.. 1.5 hours of leaving QA.