Tessian incident
Gateway outage between approximately 07:30 UTC and 08:36 UTC
Resolved after 2 hours 13 minutes, affecting Gateway, on May 13, 2026.
Between approximately 07:30 UTC and 08:36 UTC, some customers experienced an outage where inbound and outbound server statuses were shown as 'Unavailable'. The issue was caused by a capacity limitation encountered during the application of a routine security patch. This has been fully resolved — server statuses should now show as 'Available'. Any emails queued during the incident are expected to be delivered automatically without intervention. No data loss occurred, and we anticipate minimal delivery delays. We apologise for any disruption caused.
Affected components
Update timeline
- investigating May 13, 2026, 12:10 PM UTC
Between approximately 07:30 UTC and 08:36 UTC, some customers experienced an outage where inbound and outbound server statuses were shown as 'Unavailable'. The issue was caused by a capacity limitation encountered during the application of a routine security patch. This has been fully resolved — server statuses should now show as 'Available'. Any emails queued during the incident are expected to be delivered automatically without intervention. No data loss occurred, and we anticipate minimal delivery delays. We apologise for any disruption caused.
Your product runs on more than Tessian
Add the vendors you depend on and get one message when any of them reports trouble. Free for 3 vendors, no card.
Amazon Web Services