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Twilio: Email Delivery Delays to Microsoft-Hosted Inboxes

MinorStatus: identifiededitedStarted Not resolved4 updatesstatus.twilio.com (opens in new tab)

Affected components: OtherTWILIO PLATFORM - Other

Timeline of updates

  1. 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.

  2. 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.

  3. identified

    We have identified the issue of delayed email delivery to Microsoft inbox providers for Email Inbox Providers. Due to a third-party provider dependency, messages sent to these inboxes are being deferred and queued for later delivery. There is no mail loss at this time. We will provide another update in 2 hours or as soon as more information becomes available.

  4. identified

    We have identified the issue of delays in email delivery to Microsoft-hosted inboxes. Due to a third-party provider dependency, messages to these inboxes may continue to be deferred before delivery. Mail is continuing to queue and is not being dropped at this time. We will provide another update in 4 hours or as soon as more information becomes available.

Changes Rewindex caught on this incident

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Impact, status and times are the vendor’s own, as last archived. View on status.twilio.com (opens in new tab).

Cite this

Status incident (vendor impact label: minor) posted by Twilio, started 2026-11-12 19:42 UTC, not resolved, 4 update(s); edited after publishing.

Title
Email Delivery Delays to Microsoft-Hosted Inboxes
Vendor
Twilio
Date
URL
https://rewindex.com/company/twilio/incidents/7h6p6ss3xrnm

Twilio profileRecent Twilio incidentsAll outages on November 12, 2026Twilio in November 2026MarkdownJSON