Exclaimer incident

Message processing issues in EU

Minor Resolved View vendor source →

Exclaimer experienced a minor incident on May 28, 2026 affecting EU: Server-Side: Mail Routing - Office 365 and EU: Server-Side: Mail routing - Google Workspace, lasting 4h 32m. The incident has been resolved; the full update timeline is below.

Started
May 28, 2026, 08:40 AM UTC
Resolved
May 28, 2026, 01:12 PM UTC
Duration
4h 32m
Detected by Pingoru
May 28, 2026, 08:40 AM UTC

Affected components

EU: Server-Side: Mail Routing - Office 365EU: Server-Side: Mail routing - Google Workspace

Update timeline

  1. identified May 28, 2026, 08:40 AM UTC

    Issue: An Azure storage failure in EU2 is resulting in delays processing messages there, engineering teams are actively mitigating the issue. Symptoms: Some messages processed in EU could be delayed. Next Update In: 30 mins or less

  2. monitoring May 28, 2026, 09:03 AM UTC

    Exclaimer Engineers have successfully mitigated the issue and mailflow had returned to normal levels.

  3. resolved May 28, 2026, 01:12 PM UTC

    The Azure SQL database in EU2 has been fully restored by Microsoft. EU2 endpoints have been re-enabled and mailflow is balanced. All services are confirmed healthy with no further impact to customers.