Email delivery issues caused by Microsoft service disruption

Incident Report for CodeTwo

Update

We are also observing that some users are unable to use Outlook web add-ins. This affects all Outlook web add-ins, including CodeTwo add-ins, as part of the ongoing Microsoft service disruption.

We continue to monitor the situation closely and will share further updates as more information becomes available.

You can also check these links for more information:
https://x.com/MSFT365Status/status/2120938282204688468
https://admin.cloud.microsoft/?#/servicehealth/:/alerts/EX1550543

Posted Nov 12, 2026 - 18:30 UTC

Investigating

We are currently experiencing email delivery issues affecting CodeTwo Email Signatures 365 due to an ongoing disruption of Microsoft’s email services.

Microsoft has acknowledged the issue and is providing updates on X: https://x.com/MSFT365Status/status/2120938282204688468?s=20

We are closely monitoring the situation and will provide further updates as more information becomes available.

We apologize for any inconvenience caused.

Posted Nov 12, 2026 - 18:13 UTC

This incident affects: Canada East (Mail flow, Sent Items Update, Outlook add-in, Autoresponder sending (rules processing)), North Central US (Mail flow, Sent Items Update, Outlook add-in, Autoresponder sending (rules processing)), and West US (Mail flow, Sent Items Update, Outlook add-in, Autoresponder sending (rules processing)).