Go Cardless incident
Email delivery issues to Microsoft mailboxes
Go Cardless experienced a minor incident on June 4, 2026, lasting 21d 16h. The incident has been resolved; the full update timeline is below.
Update timeline
- identified Jun 04, 2026, 05:32 PM UTC
Status: Identified We would like to inform you that we are currently experiencing email delivery failures affecting Microsoft mailboxes, including Outlook, Hotmail, Live, and MSN (and their regional extensions). We are in contact with Microsoft regarding this issue, however they have not yet provided an estimated resolution time. We will continue to monitor the situation and share updates as soon as they become available.
- monitoring Jun 15, 2026, 10:51 AM UTC
Status: Monitoring Email deliverability to Microsoft mailboxes (Outlook, Hotmail, Live, MSN, etc.) has been restored. We are actively monitoring the service to ensure continued stability
- monitoring Jun 24, 2026, 03:42 PM UTC
Status: Monitoring We have begun resending the emails that failed to deliver during the recent service disruption. To help you easily identify these messages, (Delayed Delivery) has been added to the beginning of the subject line.
- resolved Jun 26, 2026, 10:28 AM UTC
Status: Resolved The resending of emails affected by the recent service disruption has now completed. We apologise for any inconvenience caused.