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Degraded

Investigating Deliverability Issues to live.com and outlook.com email destinations

Feb 23, 2026 at 7:26pm UTC
Affected services
mx1.improvmx.com
mx2.improvmx.com
smtp.improvmx.com

Resolved
Feb 23, 2026 at 8:30pm UTC

Microsoft inbox delivery continues to recover, we will continue to monitor the situation.

Updated
Feb 23, 2026 at 8:17pm UTC

We have deployed a mitigation and are seeing recovery for microsoft inbox delivery (hotmail.com and live.com).

(outlook.com is unaffected)

Created
Feb 23, 2026 at 7:26pm UTC

We're seeing an uptick in email deliverability issues to live.com and outlook.com