SparkPost incident

Email delivery in US region affected

Resolved after 4 hours 33 minutes, affecting SMTP Delivery - USA, on March 12, 2026.

monitoring Mar 12, 2026, 10:03 AM UTC

System functionality has been fully restored and all emails are being transmitted correctly without added latencies; we are actively monitoring.

Started
Mar 12, 2026, 06:51 AM UTC
Resolved
Mar 12, 2026, 11:25 AM UTC
Duration
4h 33m
Detected by Pingoru
Mar 12, 2026, 06:51 AM UTC

Affected components

SMTP Delivery - USA

Update timeline

  1. investigating Mar 12, 2026, 06:51 AM UTC

    We are currently investigating issues with delivery of email impacting US region.

  2. monitoring Mar 12, 2026, 07:48 AM UTC

    System is fully recovered and under monitoring.

  3. investigating Mar 12, 2026, 08:00 AM UTC

    Email delivery in US is impacted, experiencing elevated delays.

  4. monitoring Mar 12, 2026, 10:03 AM UTC

    System functionality has been fully restored and all emails are being transmitted correctly without added latencies; we are actively monitoring.

  5. resolved Mar 12, 2026, 11:25 AM UTC

    This incident has been resolved.

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