SparkPost incident

Outbound message delivery is delayed/slow for some SparkPost customers (US hosted only)

Minor Resolved View vendor source →

SparkPost experienced a minor incident on November 4, 2025 affecting SMTP Delivery - USA, lasting 3m. The incident has been resolved; the full update timeline is below.

Started
Nov 04, 2025, 09:33 PM UTC
Resolved
Nov 04, 2025, 09:36 PM UTC
Duration
3m
Detected by Pingoru
Nov 04, 2025, 09:33 PM UTC

Affected components

SMTP Delivery - USA

Update timeline

  1. identified Nov 04, 2025, 09:33 PM UTC

    We are investigating an increase in delivery latency for some outbound messages. (NOTE: This does not impact our customers hosted in the EU.)

  2. resolved Nov 04, 2025, 09:36 PM UTC

    This incident has been resolved.