Mailgun: Deliverability issues to Microsoft domains
Timeline of updates
- resolved
Microsoft has resolved the issue and email is now being delivered normally to their domains Hotmail, Outlook.com, office365, etc. https://portal.office.com/servicestatus (opens in new tab)
From Mailgun’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert.
How the archive is checked, and what it cannot prove.
This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
Impact, status and times are the vendor’s own, as last archived. View on status.mailgun.com (opens in new tab).
Cite this
Status incident (vendor impact label: none) posted by Mailgun, started 2016-05-25 22:09 UTC, resolved after 6.1 h, 1 update(s).
- Title
- Deliverability issues to Microsoft domains
- Vendor
- Mailgun
- Date
- URL
- https://rewindex.com/company/mailgun/incidents/ky4xfyk4byj1
Mailgun profileRecent Mailgun incidentsAll outages on May 25, 2016Mailgun in May 2016MarkdownJSON