Fix Power Automate Send an Email V3 Completed but Not Delivered
Question details
Users report that the Power Automate Send an Email (V3) action shows as completed successfully in the flow run history, but the intended recipients do not receive the messages.
- Product
- Microsoft Power Automate
- Device & OS
- not provided
- Scenario
- Running a Power Automate flow that includes the Send an Email (V3) action to notify users or deliver automated messages.
- Observed behavior
- The flow run history indicates a successful execution with no errors, but no emails are actually delivered to the recipients. This often occurs suddenly across both new and existing workflows.
Ensure you have access to the Microsoft 365 admin center to check service health, and verify that the recipient email addresses in your flow are spelled correctly.
Verify Microsoft 365 Service Health for Outages
Because this issue is frequently caused by Microsoft backend outages, checking service health is the most reliable first step.
When Power Automate reports a successful run but emails do not arrive, it often indicates a delayed processing queue or a widespread service incident on Microsoft's end. Users frequently report this happening suddenly to workflows that have worked flawlessly for months.
Go to admin.microsoft.com and sign in with your administrator credentials.
In the left-hand navigation menu, click on 'Health' and then select 'Service health'.
Look for any active advisories or incidents related to Microsoft Power Automate, Exchange Online, or the Mail (V3) connector.
If an outage is reported, wait for Microsoft to resolve the backend issue. Emails typically deliver retroactively once the service is fully restored.
Inspect Spam Folders and Flow Run History
Ensure the email wasn't silently filtered by the recipient's mail server or that hidden errors didn't occur during the run.
Re-authenticate the Mail (V3) Connector
Refreshing the connection can resolve silent authentication glitches that prevent actual email dispatch.
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Frequently Asked Questions
Why does Power Automate say successful but no email is sent?
This usually happens when the action successfully passes the message to the Microsoft Exchange queue, but a backend service issue or queue delay prevents the actual dispatch of the email to the recipient.
Can recipient spam filters block Power Automate emails?
Yes, strict organization policies or spam filters can intercept automated emails. Always check the Junk folder and ask administrators to review the Microsoft 365 Defender quarantine.
Do I need to recreate my flow if the Mail V3 connector fails?
No, recreating the flow is rarely necessary. Usually, the issue resolves itself once Microsoft fixes the backend service, or you may simply need to re-authenticate the connection under Data > Connections.
How do I know if Microsoft is experiencing a Power Automate outage?
Tenant administrators can check the Microsoft 365 Admin Center under Health > Service health to view real-time status and advisories for Power Automate and Exchange Online.
