Outage in SendGrid
SenderAuth and Whitelabel domain errors
Resolved MinorIncident Report
Summary AI Generated
SendGrid experienced an issue with SenderAuth and Whitelabel domains starting at 10:17 AM on May 22, 2026, where a subset of customers encountered errors when attempting to update their whitelabel domains. Mail sending functionality remained unaffected throughout the incident. Engineers implemented a fix and confirmed full resolution after 1.4 hours of monitoring at 11:50 AM.
Starting around 10:17AM on May 22 2026, our engineers began investigating an issue affecting SenderAuth and Whitelabel domains. A subset of customers may be experiencing errors when attempting to make updates to their whitelabel domains. Mail send is not impacted. We will provide another update as soon as more information becomes available.
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Latest Updates ( sorted recent to last )
RESOLVED
1 day ago - at 05/22/2026 06:50PM
Our engineers have monitored the fix and confirmed the issue with SenderAuth and Whitelabel domains has been resolved. All services are now operating normally at this time.
MONITORING
1 day ago - at 05/22/2026 05:51PM
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.
INVESTIGATING
1 day ago - at 05/22/2026 05:30PM
Starting around 10:17AM on May 22 2026, our engineers began investigating an issue affecting SenderAuth and Whitelabel domains. A subset of customers may be experiencing errors when attempting to make updates to their whitelabel domains. Mail send is not impacted. We will provide another update as soon as more information becomes available.
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