Nightfall incident
Degraded email delivery using Nightfall email DLP integration
Nightfall experienced a major incident on April 8, 2026 affecting Gmail DLP, lasting 4h 1m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Apr 08, 2026, 07:23 PM UTC
We have identified an issue with an upstream email service provider. Customers may see email delivery failures if they have enable our email DLP service. Customers can temporarily disable the email compliance rule set as documented here: https://help.nightfall.ai/gmail/installation/content_compliance_rules/monitroring#content-compliance-rule
- identified Apr 08, 2026, 09:09 PM UTC
The upstream vendor has identified an issue and mitigation work is currently underway.
- identified Apr 08, 2026, 09:16 PM UTC
This issue originates with the upstream vendor and is likely due to AWS or Gmail. Google is currently investigating as well and you can track status here: https://www.google.com/appsstatus/dashboard/incidents/224ozRqzW4sFBDK8hLnT In the meantime, you can temporarily disable the email compliance rule to restore email flow: https://help.nightfall.ai/gmail/installation/content_compliance_rules/monitroring#content-compliance-rule We will update you once the issue is resolved.
- monitoring Apr 08, 2026, 09:34 PM UTC
We are now seeing increased traffic from the upstream vendor, and monitoring for stabilization of inbound email traffic.
- resolved Apr 08, 2026, 11:24 PM UTC
Inbound traffic has returned to normal and our internal monitoring indicates that delays and errors have subsided. The issue is now resolved.