Resolved -
This incident has been resolved.
Feb 23, 12:43 EST
Monitoring -
A fix has been implemented and we are monitoring the results.
Feb 23, 12:38 EST
Investigating -
We are seeing an increase in "delays"/4xx errors on outbound message delivery for some SparkPost and SparkPost Enterprise customers (US hosted only).
Note: This issue does not impact our SparkPost customers hosted in the EU.
Feb 23, 12:26 EST