Outage in SparkPost
Outbound message delivery is delayed/slow for some SparkPost customers (US and EU regions)
Resolved MinorIncident Report
Summary AI Generated
SparkPost experienced increased delivery latency affecting outbound email messages for customers in both US and EU regions, impacting SMTP delivery services. The incident caused delayed or slow message delivery for some customers over a 36-minute period. The service recovery was observed and monitored before the incident was fully resolved.
We are investigating an increase in delivery latency for some outbound messages.
Trusted by 1,000+ teams
The Status Page Aggregator with Early Outage Detection
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Start Free Trial
- No credit card
- 14-day trial
- 2-minute setup
Latest Updates ( sorted recent to last )
RESOLVED
about 2 months ago - at 03/05/2026 01:24AM
This incident has been resolved.
MONITORING
about 2 months ago - at 03/05/2026 01:00AM
We are observing recovery in email delivery performance and are actively monitoring.
INVESTIGATING
about 2 months ago - at 03/05/2026 12:51AM
We are investigating an increase in delivery latency for some outbound messages.
Latest SparkPost outages
Increased bounce or delay rate for Apple domains - 15 days ago
Email delivery in US region affected - about 1 month ago
Microsoft Mail Delivery Delays and Temporary Rejections - about 2 months ago
The Status Page Aggregator with Early Outage Detection
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
