Paubox experienced a minor incident on December 3, 2025 affecting Outbound Security, lasting 11h. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Dec 03, 2025, 05:07 PM UTC
Some customers report outbound mail delays in excess of 10 min - we are investigating
- identified Dec 03, 2025, 05:17 PM UTC
We have identified the issue and are working on a fix.
- identified Dec 03, 2025, 07:30 PM UTC
We're continuing to work on the fix for this issue.
- monitoring Dec 03, 2025, 08:45 PM UTC
A fix is in place a new mail is flowing normally - we expect another 3-4 hours for the deferred queue to unspool. We'll continue to monitor and update you if anything changes.
- investigating Dec 03, 2025, 10:13 PM UTC
Customers are reporting missing outbound mail log data - we are investigating.
- monitoring Dec 03, 2025, 11:27 PM UTC
Mail log data has been restored. We are continuing to monitor the deferred queue while it processes the backlog.
- resolved Dec 04, 2025, 04:08 AM UTC
The deferral queue has cleared and outbound is functioning normally.