This incident has been resolved.

All messages have been retried and sent successfully. We are now investigating a minor issue affecting just 9 messages in relation with this incident.

We have reverted the change in our codebase, the ability to send team notifications emails and flight alerts has been restored.

We will resend all past team notification emails that have failed between yesterday, 16:36 CET and today, 11:34 CET.

We are investigating an issue currently affecting our ability to send some team notification emails and flight alerts.