SparkPost incident

Outbound message delivery to Yahoo is delayed/slow

Minor Resolved View vendor source →

SparkPost experienced a minor incident on July 24, 2025 affecting SMTP Delivery - USA, lasting 3h 38m. The incident has been resolved; the full update timeline is below.

Started
Jul 24, 2025, 05:41 PM UTC
Resolved
Jul 24, 2025, 09:20 PM UTC
Duration
3h 38m
Detected by Pingoru
Jul 24, 2025, 05:41 PM UTC

Affected components

SMTP Delivery - USA

Update timeline

  1. investigating Jul 24, 2025, 05:41 PM UTC

    We are actively investigating a rise in delivery latency for outbound messages to Yahoo. Our current assessment indicates the issue may lie with Yahoo, and we are continuing to monitor the situation.

  2. monitoring Jul 24, 2025, 08:38 PM UTC

    The delays have cleared up, as Yahoo appears to have resolved the issue. We will continue to monitor the situation.

  3. resolved Jul 24, 2025, 09:20 PM UTC

    The delays have cleared up and we are no longer seeing delays for Yahoo.