Outage in Litmus
Multiple failures due to upstream service provider
Resolved MajorIncident Report
An upstream service provider has been experiencing problems since 08:11 UTC affecting some features. Their services are now recovering. We're monitoring for residual problems.
Components affected
Litmus Application Litmus Yahoo! Mail (Chrome) Litmus Outlook.com (Chrome) Litmus T-Online.de (Chrome) Litmus Outlook 2019 (Windows 10) Litmus Email Analytics Litmus Outlook.com (Explorer) Litmus G Suite (Explorer) Litmus Web.de (Explorer) Litmus T-Online.de (Explorer) Litmus Outlook (Android 7.0) Litmus iPad Pro (12.9 inch) (iOS 13.1) Litmus Gmail App (Android 10.0) Litmus Outlook 2016 (Win 10) Litmus Comcast (Firefox) Litmus AOL Mail (Explorer) Litmus Outlook Office 365 (Windows 10) Litmus Office 365 (Explorer) Litmus Outlook 2010 (Windows 10) Litmus GMX.de (Chrome) Litmus AOL Mail (Firefox) Litmus G Suite (Firefox) Litmus T-Online.de (Firefox) Litmus GMX.de (Firefox) Litmus G Suite (Chrome) Litmus Thunderbird 60 (Win 10) Litmus Office 365 (Chrome) Litmus AOL Mail (Chrome) Litmus Outlook.com (Firefox) Litmus Outlook 2016 120 DPI (Windows 10) Litmus iPad Air (4th Generation) (iOS 14.2) Litmus Gmail (Firefox) Litmus Outlook 2007 (Windows 10) Litmus Comcast (Explorer) Litmus Outlook.com Dark (Firefox) Litmus Outlook 2013 (Windows 10) Litmus Office 365 (Firefox) Litmus Mail.ru (Firefox) Litmus Mail.ru (Chrome) Litmus Plain Text (Text-only view) Litmus Yahoo! Mail (Firefox) Litmus Outlook.com Dark (Chrome) Litmus Outlook Office 365 Dark (Windows 10) Litmus iPad Pro (11 inch) (iOS 13.1) Litmus IBM Notes 9 (Windows 10) Litmus IBM Notes 8.5 (Windows 10) Litmus Yahoo! Mail (Explorer) Litmus Outlook 2013 120 DPI (Windows 10) Litmus Web.de (Firefox) Litmus Comcast (Chrome) Litmus Gmail (Chrome) Litmus Gmail (Explorer) Litmus GMX.de (Explorer) Litmus IBM Notes 10 (Windows 10) Litmus Mail.ru (Explorer) Litmus Outlook 2019 120 DPI (Windows 10) Litmus Gmail App Dark (Android 10.0) Litmus Web.de (Chrome)Trusted by 1,000+ teams
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Latest Updates ( sorted recent to last )
RESOLVED
6 months ago - at 10/21/2025 02:07PM
These issues have been resolved.
MONITORING
6 months ago - at 10/20/2025 10:43PM
The upstream service provider issues have resolved. We're monitoring for any residual issues.
IDENTIFIED
6 months ago - at 10/20/2025 01:21PM
The upstream service provider issues are ongoing and affecting multiple other services, such as Litmus Previews and Litmus Analytics. We are attempting to fix the issue and are working with the service provider to restore functionality.
MONITORING
6 months ago - at 10/20/2025 09:58AM
We are continuing to monitor for any further issues.
MONITORING
6 months ago - at 10/20/2025 09:58AM
An upstream service provider has been experiencing problems since 08:11 UTC affecting some features. Their services are now recovering. We're monitoring for residual problems.
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