Outschool incident
Hotmail users unable to reply to support, messages marked 'Undeliverable'.
Resolved after 3 days 3 hours, affecting Outschool.com Website, on February 24, 2026.
We are currently experiencing delivery issues with Hotmail email addresses. If you are contacting us from a Hotmail account and receive an “Undeliverable” message, please reach out to Support via the website chat messenger or use an alternate email address.
Affected components
Update timeline
- identified Feb 24, 2026, 04:29 PM UTC
We are currently experiencing delivery issues with Hotmail email addresses. If you are contacting us from a Hotmail account and receive an “Undeliverable” message, please reach out to Support via the website chat messenger or use an alternate email address.
- resolved Feb 27, 2026, 08:12 PM UTC
This incident has been resolved.
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