CodeTwo incident
[Europe] Delay when sending messages from Exchange Online due to Microsoft problems
CodeTwo experienced a minor incident on August 29, 2025 affecting Mail flow and Mail flow and 1 more component, lasting 1h 52m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 29, 2025, 01:01 PM UTC
Microsoft is investigating an issue where some users are experiencing delays when sending emails from Microsoft 365. As a result, messages sent through our system are also affected, since we are part of the same mail pipeline. Please refer to EX1144276 in the admin center for more details. Here’s Microsoft’s status update on X: https://x.com/msft365status/status/1961409977400132058 Microsoft currently states that the issue is limited to Europe.
- investigating Aug 29, 2025, 01:07 PM UTC
Microsoft continues to investigate this issue. Please refer to EX1144276 in the admin center for more details. Here’s Microsoft’s status update on X: https://x.com/msft365status/status/1961409977400132058 All emails processed through CodeTwo are currently being delivered with signatures, although some may experience delays. CodeTwo is operating normally.
- resolved Aug 29, 2025, 02:54 PM UTC
The problem has been resolved by Microsoft. For further information, please check Service health in the Microsoft 365 Admin Center (Incident ID: EX1144276). CodeTwo is operating and has been operating normally. All emails were delivered with signatures attached.