Retool experienced a critical incident on July 23, 2026 affecting Email Server, lasting 20h 12m. The incident has been resolved; the full update timeline is below.
Affected components
Email Server
Update timeline
- investigating Jul 23, 2026, 10:22 PM UTC
We are investigating the disabling of retool-email.com domain due to spam. Note that this does not impact official retool emails like user invites and password resets.
- resolved Jul 24, 2026, 06:34 PM UTC
Some Retool Emails failed with a "Disabled for sending spam" error due to an issue with our upstream email provider. The sending domain has since been restored, and email delivery is operating normally. We've also added safeguards to prevent recurrence. We apologize for the disruption.