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Outage in SMTP2GO

Delivery Delays: Outlook and Gmail

Resolved Major
November 12, 2026 - Started 1 day ago - Lasted 1 day
Official incident page

Incident Report

Summary AI Generated

SMTP2GO experienced a 24.5-hour major incident affecting email delivery to Outlook and Gmail recipients, caused primarily by a Microsoft 365 outage impacting infrastructure across North America, Europe, and Japan. SMTP2GO adjusted its queuing system to reduce spillover impact on non-Microsoft domains while Microsoft progressively restored service across affected regions. The incident was fully resolved on November 13, 2026.

Outlook is currently experiencing an outage, which is impacting delivery for many customers. Please check out their status for more information: https://x.com/MSFT365Status/status/2120941584220827979 https://www.techradar.com/news/live/outlook-outage-nov-2026 Gmail recipients are also experiencing delivery delays; we're continuing to investigate this issue.

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Latest Updates ( sorted recent to last )
RESOLVED about 12 hours ago - at 11/13/2026 10:00PM

This incident has been resolved.

IDENTIFIED about 22 hours ago - at 11/13/2026 12:11PM

From Microsoft:

Current status: We’re seeing encouraging recovery progress in Europe, with service availability and email delivery performance improving across a growing portion of affected Microsoft 365 infrastructure. Japan remains comparatively more stable, while North America is also improving; however, some users may still experience intermittent issues as recovery actions continue.

INVESTIGATING 1 day ago - at 11/13/2026 07:52AM

The outage at Microsoft continues and is not yet resolved. We have made adjustments to our queuing system to cater for increased load to reduce any impact on any non-Microsoft domains that are experiencing delays. We will continue to monitor the situation closely.

INVESTIGATING 1 day ago - at 11/12/2026 09:30PM

Outlook is currently experiencing an outage, which is impacting delivery for many customers. Please check out their status for more information:
https://x.com/MSFT365Status/status/2120941584220827979
https://www.techradar.com/news/live/outlook-outage-nov-2026

Gmail recipients are also experiencing delivery delays; we're continuing to investigate this issue.

Latest SMTP2GO outages

API Error - 15 days ago
Softbounce Errors - 30 days ago
Issues with API- statusCode=500 - about 1 month ago
Connectivity Issues - about 1 month ago

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