Twilio incident

Retroactive Incident - Issues with encoded Special Characters in email From headers

Notice Resolved View vendor source →

Twilio experienced a notice incident on August 5, 2026, lasting —. The incident has been resolved; the full update timeline is below.

Started
Aug 05, 2026, 06:00 PM UTC
Resolved
Aug 05, 2026, 06:00 PM UTC
Duration
—
Detected by Pingoru
Aug 05, 2026, 06:00 PM UTC

Update timeline

  1. resolved Aug 05, 2026, 06:48 PM UTC

    Starting on July 16th 2026, to July 31st 2026, customers may have encountered errors when sending emails via SMTP with encoded special characters in the From header. Our engineers noticed the issue and apply a fix to correct it. There is no data loss. The issue has been resolved, and all impacted services are operating normally.