Exclaimer incident

Mail not being processed in primary data centers

Minor Resolved View vendor source →

Exclaimer experienced a minor incident on June 29, 2026 affecting EU: Server-Side: Mail Routing - Office 365 and US: Server-Side: Mail Routing - Office 365 and 1 more component, lasting 1h 16m. The incident has been resolved; the full update timeline is below.

Started
Jun 29, 2026, 07:35 AM UTC
Resolved
Jun 29, 2026, 08:51 AM UTC
Duration
1h 16m
Detected by Pingoru
Jun 29, 2026, 07:35 AM UTC

Affected components

EU: Server-Side: Mail Routing - Office 365US: Server-Side: Mail Routing - Office 365CA: Server-Side: Mail Routing - Office 365UAE: Server-Side: Mail Routing - Office 365AU: Server-Side: Mail Routing - Office 365UK: Server-Side: Mail Routing - Office 365DE: Server-Side: Mail Routing - Office 365US: Server-Side: Mail Routing - Google WorkspaceEU: Server-Side: Mail routing - Google WorkspaceAU: Server-Side: Mail Routing - Exchange

Update timeline

  1. investigating Jun 29, 2026, 07:35 AM UTC

    We were alerted to an issue with mail flow in our primary data centers. Our engineers are currently investigating and trying to resolve asap

  2. identified Jun 29, 2026, 08:00 AM UTC

    Our engineers have identified the issue and are mitigating. Customers may still experience delays in mail delivery

  3. monitoring Jun 29, 2026, 08:26 AM UTC

    We have mitigated the issue and mail flow is working again in all regions. We are monitoring now to ensure this has resolved the issue.

  4. resolved Jun 29, 2026, 08:51 AM UTC

    The incident has been resolved by our engineers and mail routing is operational across all regions. Customers may have experience mail delivery delays but these would have been delivered following retries.