Skip to content

Incident detail

SenderAuth and Whitelabel domain errors

Resolved incidentMinor

Timeline window

to

Outage alerts

Get alerted the next time SendGrid breaks

Free email alerts for up to 5 providers. No card, live in about a minute. Paid plans add Slack, Teams, Discord, and webhook delivery across your whole stack, plus higher API quotas.

Timeline

Incident updates

Every update SendGrid posted, oldest to newest, exactly as it appeared on their official status page.

  1. Investigating

    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.

  2. Monitoring

    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.

  3. Resolved

    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.

Keep exploring

More from SendGrid

Neighboring incidents on SendGrid's timeline and the rest of their record on OutageDeck.