Sherweb incident

Update: Resolved - Hosted Exchange

Major Resolved View vendor source →

Sherweb experienced a major incident on June 19, 2026 affecting Microsoft Exchange and Sherweb Hosted Services and 1 more component, lasting 2h 7m. The incident has been resolved; the full update timeline is below.

Started
Jun 19, 2026, 01:45 PM UTC
Resolved
Jun 19, 2026, 03:52 PM UTC
Duration
2h 7m
Detected by Pingoru
Jun 19, 2026, 01:45 PM UTC

Affected components

Microsoft ExchangeSherweb Hosted ServicesSherweb Hosted ServicesMicrosoft ExchangeExchange – USASherweb Hosted ServicesExchange – USAExchange – USAExchange – CanadaExchange – Canada

Update timeline

  1. investigating Jun 19, 2026, 01:45 PM UTC

    We are currently investigating an issue impacting Hosted Exchange Outgoing Emails Impact Level: Investigating Current Progress: Our engineering team has been mobilized and is actively investigating the problem to determine the root cause and restore service. Next update: We will provide an update within 60 minutes.

  2. investigating Jun 19, 2026, 02:25 PM UTC

    This is an update regarding the ongoing disruption to Hosted Exchange . Impact Level: Performance Degraded You may currently be experiencing delays or deferred outgoing emails due to a PTR record-related issue affecting our Hosted Exchange services. Current Progress: Our team is still investigating and working on identifying the cause of the issue. We will continue to monitor the status of service incident and will provide our next update by 3:25pm EDT. Next Update: We will continue to monitor the status of service incident and will provide our next update by 3:25pm EDT.

  3. monitoring Jun 19, 2026, 03:02 PM UTC

    This is an update regarding the ongoing disruption to Hosted Exchange. Impact Level: Recovering You should now be able to use Hosted Exchange email services as expected, including sending and receiving emails. However, you may continue to experience intermittent delays when sending emails as the service continues to stabilize. Current Progress: Our Team has implemented the fix, and we are monitoring the service closely to ensure stability and confirm that the issue is fully resolved. Next Update: We will continue to monitor the fix implemented and will provide our next update by 4:00pm EDT.

  4. resolved Jun 19, 2026, 03:52 PM UTC

    The issue affecting Hosted Exchange has been resolved, and all services are now operating normally. Impact Level: Resolved Latest Update: Our team successfully restored misconfigured PTR records at 2:45pm EDT, and we have verified that system stability has returned. You may experience slight delays as changes continue to propagate across external email providers. Next Steps: We are conducting a thorough Root Cause Analysis (RCA) to understand why this happened and to implement safeguards preventing it from occurring again. We will share the post-incident report with you by June 26th 2026. If you are still experiencing service-related issues, please contact our support team for further assistance.