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 February 24, 2026 affecting SMTP Delivery - USA, lasting 3h 15m. The incident has been resolved; the full update timeline is below.

Started
Feb 24, 2026, 03:01 PM UTC
Resolved
Feb 24, 2026, 06:17 PM UTC
Duration
3h 15m
Detected by Pingoru
Feb 24, 2026, 03:01 PM UTC

Affected components

SMTP Delivery - USA

Update timeline

  1. investigating Feb 24, 2026, 03:01 PM UTC

    We are currently investigating this issue. No messages are lost.

  2. identified Feb 24, 2026, 05:19 PM UTC

    The issue has been identified and a fix is being implemented.

  3. monitoring Feb 24, 2026, 05:34 PM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Feb 24, 2026, 06:17 PM UTC

    This incident has been resolved.