UPDATE: We are showing some modest improvement in latency and errors rates for the SMTP injection API in the past hour; we are continuing our mitigation activities. We will provide another update at 23:00 EST. Thank you for your continued patience.
Posted Mar 22, 2021 - 21:01 EDT
Update
UPDATE: Some customers are continuing to observe latency and elevated error rates on SMTP injection in US region. We are continuing to work on this issue and will provide another update at 21:00 EST.
Posted Mar 22, 2021 - 19:57 EDT
Update
UPDATE: We are showing significant improvement in latency and errors rates for the SMTP injection API in the past 1 hour; we are continuing our mitigation activities. We will provide another update at 20:00 EST. Thank you for your continued patience.
Posted Mar 22, 2021 - 19:02 EDT
Update
UPDATE: Some customers are continuing to observe latency and elevated error rates on SMTP injection in US region. We are continuing to work on this issue and will provide another update at 19:00 EST.
Posted Mar 22, 2021 - 18:01 EDT
Update
UPDATE: Some customers are continuing to observe latency and elevated error rates on SMTP injection in US region. We are continuing to work on this issue and will provide another update at 18:00 EST.
Posted Mar 22, 2021 - 17:36 EDT
Monitoring
A fix has been implemented and we are monitoring the results.
Posted Mar 22, 2021 - 15:04 EDT
Identified
The issue has been identified and a fix is being implemented.
Posted Mar 22, 2021 - 14:42 EDT
Investigating
We are experiencing an elevated level of SMTP errors and latency for some SparkPost and SparkPost Enterprise 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 Mar 22, 2021 - 13:36 EDT
This incident affected: SMTP API (SMTP API - USA).