Previous incidents
Delayed Mail Forwarding
Resolved Mar 30, 2026 at 6:37pm UTC
This is a similar pattern to the incident a few days ago. We've applied the same mitigation methods (a lot faster this time), and services are returning to normal.
We will continue monitoring our systems, and implementing greater resilience to prevent these incidents in the future.
1 previous update
Delayed Mail Forwarding
Resolved Mar 29, 2026 at 3:35am UTC
Postmortem posted to https://improvmx.com/blog/2026-03-29-postmortem
2 previous updates
API Downtime
Resolved Mar 6, 2026 at 10:16am UTC
We had a broken deployment go out, and we've reverted it. Systems are returning to normal.
Postmortem to follow.
1 previous update
Investigating Deliverability Issues to live.com and outlook.com email destina...
Resolved Feb 23, 2026 at 8:30pm UTC
Microsoft inbox delivery continues to recover, we will continue to monitor the situation.
2 previous updates