Exonet incident

Mail delivery issues srv02.exofilter.com

Minor Resolved View vendor source →

Exonet experienced a minor incident on April 22, 2026 affecting Exofilter, lasting 12d 3h. The incident has been resolved; the full update timeline is below.

Started
Apr 22, 2026, 09:00 AM UTC
Resolved
May 04, 2026, 12:23 PM UTC
Duration
12d 3h
Detected by Pingoru
Apr 22, 2026, 09:00 AM UTC

Affected components

Exofilter

Update timeline

  1. identified Apr 22, 2026, 12:24 PM UTC

    We are currently experiencing outgoing mail delivery issues from srv02.exofilter.com to Microsoft/Outlook services. Our team is investigating the problem and working on a resolution. Updates will follow as more information becomes available.

  2. identified Apr 23, 2026, 09:32 AM UTC

    Microsoft/Outlook (SNDS) has reported an issue that may result in certain IP addresses being temporarily rejected at higher rates. They are actively investigating the problem. We are exploring alternative solutions and working to contact Microsoft regarding the ongoing issues.

  3. monitoring Apr 28, 2026, 03:13 PM UTC

    We are no longer experiencing delivery issues from srv02.exofilter.com to Microsoft/Outlook services. We will be moving customers back to srv02.exofilter.com this week and we will continue to monitor the situation.

  4. resolved May 04, 2026, 12:23 PM UTC

    This incident has been resolved.