Resolved after 10 hours, on September 7, 2025.
Between 21:30 UTC and 23:15 UTC on September 7, a server misconfiguration temporarily affected email delivery. A small number of emails were rejected with the error "550 From header sender domain not verified", or some bounced emails with a DMARC error (for domains with a DMARC policy of reject). The issue was resolved, and all services are fully operational. We apologize for any inconvenience this may have caused.
Update timeline
- resolved Sep 08, 2025, 04:37 AM UTC
Between 21:30 UTC and 23:15 UTC on September 7, a server misconfiguration temporarily affected email delivery. A small number of emails were rejected with the error "550 From header sender domain not verified", or some bounced emails with a DMARC error (for domains with a DMARC policy of reject). The issue was resolved, and all services are fully operational. We apologize for any inconvenience this may have caused.
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