Email Delivery Delays to Microsoft Inbox Providers

Incident Report for Twilio

Identified

We have identified the issue of delayed email delivery to Microsoft inbox providers for Email. Due to a third-party provider dependency, messages to these inboxes may remain queued longer than usual, but there is no mail loss at this time. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Nov 12, 2026 - 11:58 PST

Investigating

We have identified an issue with Email. Users may experience delays in message delivery to some inboxes hosted by Microsoft This does not impact mail send targeted to other inbox provider other than Microsoft. We will provide another update in 1 hour or as soon as more information becomes available.

Posted Nov 12, 2026 - 11:42 PST

This incident affects: TWILIO PLATFORM (Other).