BigCommerce: Delayed email delivery to Microsoft-hosted inboxes

BigCommerce · bigcommerce.comImpact: minorResolved2026-09-04 11:59 UTC

Public — what happened

Summary

Commerce engineers have applied mitigations to improve email delivery to Microsoft-hosted inboxes (Outlook.com, Microsoft 365). Delivery rates are improving and we are continuing to monitor them.

Timeline

Started — 2026-09-04 09:19 UTC
Last update — 2026-09-04 11:59 UTC
Resolved — 2026-09-04 12:51 UTC

Source of record: provider status page. Mirrored as reported; times in UTC.

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