SMTP2GO incident

Rejected Emails

Notice Resolved View vendor source →

SMTP2GO experienced a notice incident on September 7, 2025, lasting —. The incident has been resolved; the full update timeline is below.

Started
Sep 07, 2025, 11:30 PM UTC
Resolved
Sep 07, 2025, 11:30 PM UTC
Duration
—
Detected by Pingoru
Sep 07, 2025, 11:30 PM UTC

Update timeline

  1. 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.