Outage in BigCommerce

Email Delivery Issues

Resolved Minor

February 24, 2026 - Started about 2 months ago - Lasted about 9 hours
Official incident page

Incident Report

Summary AI Generated

BigCommerce experienced a 9.3-hour incident where two-factor authentication (2SV) emails failed to deliver to Microsoft-related email addresses including Outlook, Hotmail, Live, and MSN domains. The issue was caused by upstream problems with Microsoft systems identified by BigCommerce's third-party email vendor. Commerce engineers implemented a workaround and then a permanent fix to restore email delivery to affected addresses.

Commerce engineers are currently investigating an issue delivering 2SV emails to Microsoft related email addresses. We will keep you informed with updates as they become available.

Components affected

BigCommerce Store Transactional Email

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Latest Updates ( sorted recent to last )

RESOLVED about 2 months ago - at 02/25/2026 01:05AM

This incident has been resolved.

MONITORING about 2 months ago - at 02/25/2026 12:37AM

Commerce engineers have implemented a fix and 2SV emails are now being delivered to Microsoft related addresses. We will continue to monitor and provide updates as they become available.

IDENTIFIED about 2 months ago - at 02/24/2026 10:23PM

Commerce Engineers have confirmed with our 3rd party vendor that there is an issue upstream with Microsoft systems which is impacting deliverability to Microsoft related addresses such as outlook.com, hotmail.com, live.com, and msn.com and their international equivalents. Commerce Engineers are continuing to implement a work around for impacted merchants. We will continue to provide updates as they become available.

IDENTIFIED about 2 months ago - at 02/24/2026 04:27PM

Commerce engineers have implemented a workaround for delivering 2SV emails to Microsoft related email addresses. If you continue to encounter issues, please contact support.

INVESTIGATING about 2 months ago - at 02/24/2026 03:50PM

Commerce engineers are currently investigating an issue delivering 2SV emails to Microsoft related email addresses. We will keep you informed with updates as they become available.

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