Paubox incident

Intermittent delivery delay affecting customers emailing hotmail.com & outlook.com

Notice Resolved View vendor source →
Started
Feb 25, 2026, 10:25 PM UTC
Resolved
Feb 26, 2026, 07:38 PM UTC
Duration
21h 13m
Detected by Pingoru
Feb 25, 2026, 10:25 PM UTC

Affected components

Outbound Security

Update timeline

  1. monitoring Feb 25, 2026, 10:25 PM UTC

    We are observing intermittent delivery delays affecting a limited subset of outbound messages to certain external domains (including hotmail.com and outlook.com). Our systems remain fully operational. We are actively monitoring and adjusting sending patterns as needed.

  2. resolved Feb 26, 2026, 07:38 PM UTC

    We are no longer observing intermittent delays - all mail that was deferred yesterday has been delivered.

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