Outgoing email outage

Incident Report for Zulip Cloud

Resolved

This incident has been resolved.
Posted Oct 20, 2025 - 18:28 UTC

Monitoring

We have failed over our outgoing email service, and backlogged messages have completed being sent.
Posted Oct 20, 2025 - 17:08 UTC

Investigating

We believe this issue to be related to AWS' ongoing global outage.
Posted Oct 20, 2025 - 16:45 UTC
This incident affected: Email notifications.