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News Incidents & Outages

SparkPost Logs Four Delivery Delay Incidents in October 2026

SparkPost reported four delivery delay incidents in October 2026, two of them on US infrastructure in the same week. Here is what happened, who was affected and how to protect time-sensitive mail.

  • Incidents in October 2026: four delivery delay events on the SparkPost status page (1, 11, 28 and 30 October)
  • Latest: 30 October, 15:21 EDT, US-hosted customers only; resolved 31 October, 13:23 EDT
  • Component: SMTP Delivery (Outbound Message Delivery), SMTP Delivery - USA

Alaa · 3 Nov 2026 · 4 min read

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