Minor ImpactLast updated: May 14, 2026, 04:48 UTCRefreshed just now

Errors with Email Sending via the Worker Binding

Started

May 13, 2026, 14:39 UTC

Resolved

May 14, 2026, 04:48 UTC

Timeline

Resolved
May 14, 2026, 04:48 UTC
This incident has been resolved.
Monitoring
May 13, 2026, 22:24 UTC
A fix has been implemented and we are monitoring the results.
Identified
May 13, 2026, 15:30 UTC
The issue has been identified and a fix is being implemented.
Updated
May 13, 2026, 14:44 UTC
We are continuing to investigate this issue.
Investigating
May 13, 2026, 14:39 UTC
Cloudflare is investigating issues with Email Sending via the Worker Binding where an error message "Invalid email address: Invalid input" can be returned if the recipient list is an array. More updates to follow soon.