Changes / Webflow / [RESOLVED] Reports of form submission notification emails not being delivered for some customers
Webflow: Critical incident: [RESOLVED] Reports of form submission notification emails not being delivered for some customers
Summary
Webflow’s critical incident disrupted form submission notification emails for some customers, starting 2026-09-21 00:45 UTC and resolving 2026-09-22 17:05 UTC (40 h 19 min). Webflow attributed the issue to an upstream provider; notification delivery was restored, while form submissions continued to be saved and webhook delivery was unaffected.
Machine-written from the diff below (Sol; type: incident outage). Check the diff before relying on it.
What changed
Before: not present
After: [RESOLVED] Reports of form submission notification emails not being delivered for some customers
Before: not present
After: critical
Before: not present
After: resolved
Before: not present
After: 2026-09-21 00:45 UTC
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After: 2026-09-22 17:05 UTC
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After: Email Notifications
Before: not present
After: We’re investigating reports that form submission notification emails are not being delivered as expected for some customers. Our team is investigating and will share another update as soon as we have more information.
In the meantime, Form submissions can still be reviewed via the Forms tab in Site settings, the MCP and Form Submissions API endpoints.
Before: not present
After: We’ve identified that this behaviour is arising due to an issue with an upstream provider. We’re actively working with them to resolve the issue and restore delivery of form notification emails as soon as possible. Form submissions themselves are not impacted.
In the meantime, Form submissions can still be reviewed via the Forms tab in Site settings, by using the MCP and Form Submissions API.
We appreciate your continued patience and will share another update as soon as new information is available.
Before: not present
After: There is no longer active customer impact, and form submission notification emails are now being delivered as expected. During this incident, notification email delivery was impacted for some customers. Form submissions continued to be received and saved in Site settings as expected, and webhook delivery was unaffected. Our team is continuing to monitor the situation closely. We appreciate your patience while we worked through this issue.
Before: not present
After: This incident is now resolved. Form submission notification emails were impacted between 00:46 UTC on September 21 and 15:33 UTC on September 22. New form submissions are now triggering notification emails as expected.
During this time, form submissions continued to be received and saved as expected, and webhook delivery was unaffected. Notification emails that were not delivered during the affected timeframe will not be delivered retroactively.
Affected customers can review submissions from this timeframe via:
- the Forms tab in Site settings
- the data_forms MCP tool
- the Form Submissions API endpoints
We appreciate your patience while we worked with our upstream provider to resolve this issue.
First version of this incident archived by Rewindex. View the live incident (opens in new tab).
History of this incident
| When (UTC) | Change | Kind |
|---|---|---|
| Critical incident: [RESOLVED] Reports of form submission notification emails not being delivered for some customers (this change) Webflow’s critical incident disrupted form submission notification emails for some customers, starting 2026-09-21 00:45 UTC and resolving 2026-09-22 17:05 UTC (40 h 19 min). Webflow attributed the issue to an upstream provider; notification delivery was restored, while form submissions continued to be saved and webhook delivery was unaffected. | Major incident |