Postmark incident

Inbound Email Delays

Major Resolved View vendor source →

Postmark experienced a major incident on December 19, 2025, lasting 56m. The incident has been resolved; the full update timeline is below.

Started
Dec 19, 2025, 10:08 PM UTC
Resolved
Dec 19, 2025, 11:04 PM UTC
Duration
56m
Detected by Pingoru
Dec 19, 2025, 10:08 PM UTC

Update timeline

  1. resolved Dec 19, 2025, 11:17 PM UTC

    Starting at approximately 5:08pm until 6:04pm EST, some customers experienced additional inbound message delivery delays. Previously backlogged requests have been sent. The engineering team is investigating scaling improvements to prevent recurrence.