Elevated error rates for some SparkPost customers injecting via SMTP in the US region.

Incident Report for SparkPost

Resolved

This incident has been resolved.

Posted Jan 15, 2025 - 07:44 EST

Monitoring

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

Posted Jan 15, 2025 - 07:35 EST

Update

We are continuing to work on a fix for this issue.

Posted Jan 15, 2025 - 07:31 EST

Identified

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

Posted Jan 15, 2025 - 07:29 EST

Investigating

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.

Posted Jan 15, 2025 - 07:27 EST

This incident affected: SMTP API (SMTP API - USA).