SparkPost incident
Elevated error rates for some SparkPost customers injecting via SMTP in the US region.
SparkPost experienced a notice incident on January 15, 2025 affecting SMTP API - USA, lasting 17m. The incident has been resolved; the full update timeline is below.
Affected components
SMTP API - USA
Update timeline
- investigating Jan 15, 2025, 12:27 PM UTC
We are experiencing an elevated level of SMTP errors for some SparkPost customers injecting using SMTP. Please retry any 4xx errors. Note: This issue does not impact our customers hosted in the EU. Note: Outbound message delivery is not impacted.
- identified Jan 15, 2025, 12:29 PM UTC
The issue has been identified and a fix is being implemented.
- identified Jan 15, 2025, 12:31 PM UTC
We are continuing to work on a fix for this issue.
- monitoring Jan 15, 2025, 12:35 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Jan 15, 2025, 12:44 PM UTC
This incident has been resolved.