Resolved after 2 hours 43 minutes, affecting API v3, on April 15, 2026.
Our engineers have monitored the fix and confirmed the issue with EU subusers unable to send emails has now been resolved. All services are now operating normally at this time.
Affected components
Update timeline
- investigating Apr 15, 2026, 04:00 PM UTC
Starting around 08:30 AM PST on April 15th, 2026, our engineers began investigating an issue with EU subusers that are unable to send emails. Customer may experience the error "User is not authorized to send mail based on their regional attribute." This is currently being investigated. This impacts mail send only for subusers located in EU. We will provide another update in an hour or as soon as more information becomes available.
- investigating Apr 15, 2026, 05:06 PM UTC
We are continuing investigating this issue. We will provide more updates in 2 hours, or as soon as they become available.
- monitoring Apr 15, 2026, 06:37 PM UTC
Our engineers have implemented a fix and are monitoring system performance. We will provide another update in an hour or as soon as more information becomes available.
- resolved Apr 15, 2026, 06:44 PM UTC
Our engineers have monitored the fix and confirmed the issue with EU subusers unable to send emails has now been resolved. All services are now operating normally at this time.
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