Zulip incident

Outgoing email outage

Minor Resolved View vendor source →

Zulip experienced a minor incident on October 20, 2025 affecting Email notifications, lasting 1h 42m. The incident has been resolved; the full update timeline is below.

Started
Oct 20, 2025, 04:45 PM UTC
Resolved
Oct 20, 2025, 06:28 PM UTC
Duration
1h 42m
Detected by Pingoru
Oct 20, 2025, 04:45 PM UTC

Affected components

Email notifications

Update timeline

  1. investigating Oct 20, 2025, 04:45 PM UTC

    We believe this issue to be related to AWS' ongoing global outage.

  2. monitoring Oct 20, 2025, 05:08 PM UTC

    We have failed over our outgoing email service, and backlogged messages have completed being sent.

  3. resolved Oct 20, 2025, 06:28 PM UTC

    This incident has been resolved.