Companies/SparkPost/Incidents

SparkPost: There is a delay effecting some mail sending in EU.

Affected components: Transmissions API - EUROPETransmissions API - Transmissions API - EUROPESMTP API - EUROPESMTP API - SMTP API - EUROPESMTP Delivery - EUROPESMTP Delivery (Outbound Message Delivery) - SMTP Delivery - EUROPE

Timeline of updates

1. investigating2026-06-29 15:58 UTC

   We are investigating the delay and the impact. We will post once we know more.

2. monitoring2026-06-29 16:05 UTC

   There was a combination of events that caused a short period of slowdown. That slowdown has already recovered and we are monitoring to ensure we do not see it again.

3. resolved2026-06-29 16:46 UTC

   This incident has been resolved.

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).

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