Customers may experience delays in receiving and sending emails.

Update timeline

1. investigating Apr 08, 2026, 06:22 PM UTC

   Description: We are aware of an issue with Gmail users experiencing delays in receiving and sending emails beginning at Wednesday, 2026-04-08 06:30 PDT. Mitigation work is currently underway by our engineering team. We do not have an ETA for mitigation at this point. We will provide an update by Wednesday, 2026-04-08 12:00 PDT with current details. Symptoms: Customers may experience delays in receiving and sending emails. Workaround: None at this time.

2. investigating Apr 08, 2026, 07:02 PM UTC

   Description: We are aware of an issue with Gmail users experiencing delays in receiving and sending emails beginning at Wednesday, 2026-04-08 06:30 PDT. Mitigation work is currently underway by our engineering team. We do not have an ETA for mitigation at this point. We will provide an update by Wednesday, 2026-04-08 13:00 PDT with current details. Symptoms: Customers may experience delays in receiving and sending emails. Workaround: None at this time.

3. investigating Apr 08, 2026, 08:03 PM UTC

   Description: We are aware of an issue with Gmail users experiencing delays in receiving and sending emails beginning at Wednesday, 2026-04-08 06:30 PDT. Mitigation work is currently underway by our engineering team. We do not have an ETA for mitigation at this point. We will provide an update by Wednesday, 2026-04-08 15:00 PDT with current details. Symptoms: Customers may experience delays in receiving and sending emails. Workaround: None at this time.

4. investigating Apr 08, 2026, 09:49 PM UTC

   Description: We are aware of an issue with Gmail users experiencing delays in receiving and sending emails beginning on Wednesday, 2026-04-08 06:30 PDT. Our engineering team has applied the mitigation, and our internal monitoring indicates that delays and errors have subsided. We will continue to monitor for service stability to ensure full recovery. We will provide an update by Wednesday, 2026-04-08 16:00 PDT with current details. Symptoms: Customers may have experienced delays in receiving and sending emails. Workaround: None at this time.

5. resolved Apr 08, 2026, 10:54 PM UTC

   Description: The issue with Gmail has been resolved for all affected users as of Wednesday, 2026-04-08 14:49 PDT. Our engineering team identified a potential issue with a noisy neighbour and has successfully mitigated impact. A full root cause analysis is in progress and further details will be shared through a subsequent incident report. We thank you for your patience while we worked on resolving the issue. Symptoms: Customers may have experienced delays in receiving and sending emails. Workaround: None at this time.

6. resolved Apr 10, 2026, 02:32 AM UTC

   Preliminary Incident Report We apologize for the inconvenience this Gmail service disruption may have caused. We would like to provide some information about this incident below. Please note, this information is based on our best knowledge at the time of posting and is subject to change as our investigation continues. A final Incident Report with preventative actions will be posted once our investigation is complete. If you have experienced an impact outside of what is listed below, please reach out to Google Workspace Support using the help article https://support.google.com/a/answer/1047213. Date/Time of the Issue (All time US/Pacific) - Incident Start: 08 April 2026 06:30 - Incident End: 08 April 2026 14:40 - Duration: 8 hours, 10 minutes Summary On Wednesday, 08 April 2026, Gmail customers may have experienced delays/failures when sending or receiving emails. The impact lasted for a duration of 8 hours, 10 minutes. The issue primarily affected the delivery of messages to external recipient domains, where impacted users observed delays or received failure messages when sending emails. To our customers whose communications were impacted during this disruption, we sincerely apologize. This is not the level of quality and reliability we strive to offer you, and we are taking immediate steps to improve the platform’s performance and availability. Preliminary Root Cause The preliminary root cause was identified as increased connection errors to some external mail services. Google engineers have begun a full root cause analysis and will provide additional information once it is available. Remediation The issue was detected by our engineering team through internal alerts. Engineering teams immediately started an investigation and took the following steps to contain the impact: Account Suspension: One of the domains responsible for spamming was identified, resulting in the suspension of the abusive account after review. Traffic Blocking: A block rule was implemented to specifically address and stop traffic originating from an abusive sending domain. Teams monitored rejection rates until they returned to normal levels, confirming that the system was healthy for over an hour to confirm resolution. Google is committed to improving its technology and operations to prevent similar service disruptions. A comprehensive Incident Report that will be published to provide further details and outline preventative measures. Description of Impact On Wednesday, 8 April 2026, starting at approximately 06:30, Gmail customers may have experienced delays/failures when sending or receiving emails. The issue primarily affected the delivery of messages to external recipient domains, with impacted users receiving bounce messages. Specifically, some users observed error messages stating, "The user you are trying to contact is receiving email at a rate that prevents additional messages from being delivered".

7. resolved Apr 17, 2026, 09:10 AM UTC

   Incident Report Summary On Wednesday, 08 April 2026, Gmail customers may have experienced delays/failures when sending or receiving emails. The impact lasted for a duration of 8 hours, 10 minutes. The issue primarily affected the delivery of messages to external recipient domains, where impacted users observed delays or received failure messages when sending emails. To our customers whose communications were impacted during this disruption, we sincerely apologize. This is not the level of quality and reliability we strive to offer you, and we are taking immediate steps to improve the platform’s performance and availability. Root Cause The root cause was identified as increased connection errors to external mail services hosted by a specific 3rd party provider. Remediation and Prevention The issue was detected by our engineering team through internal alerts. Engineering teams immediately started an investigation and took the following steps to contain the impact: External Mail Provider Reachout: Google worked with the external mail provider to unblock connections and prevent similar issues in the future. Teams monitored rejection rates until they returned to normal levels, verifying that the system was healthy for over an hour to confirm resolution. Google is committed to improving its technology and operations to prevent similar service disruptions. Google is committed to preventing a repeat of this issue in the future and is completing the following actions: - Deploy systems to proactively track external blocklists and alert on degradation before users are impacted. - Improve monitoring and alerting systems to proactively detect errors related to external email recipient communication. Detailed Description of Impact On Wednesday, 8 April 2026, starting at approximately 06:30 PDT, Gmail customers may have experienced delays/failures when sending or receiving emails. The issue primarily affected the delivery of messages to external recipient domains, with impacted users receiving bounce messages. Specifically, some users observed error messages stating, "The user you are trying to contact is receiving email at a rate that prevents additional messages from being delivered".