PA–triggered flow runs under run-only user, but emails with options are sent by service account

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Posted on by johnjohnPter

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i have a flow that get called from power apps and it runs under run-only user, the flow contain send email with options, i thought the email will be coming from the user who call the flow from power apps, but seems it will come from service account that created the flow

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abm abm 32,985 Most Valuable Professional on at

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Hi

So under the flow you can see this

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Run-only mode applies to manual triggers and lets the flow run in the user’s context so we have an authenticated session. You can require run-only users to provide their connection, and the context of the user running the flow is passed. Run-only mode only applies to manual triggers.

If the trigger is when a record is created and it runs behind the scene, it uses the service account in your case.

Alternative solution is you can add something in your body saying that this email is from such and such by using the trigger property user email.

If you want to get the user full name use the Office 365 connector > Search for users (V2)

Thanks

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johnjohnPter 2,015 Season of Giving Solutions 2025 on at

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@abm abm thanks for the reply. but in my case the flow is been called from power apps + all the connection has their setting set to run-only user, but still the Send Email with Options action is been run under the service account (based on the email from field)

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abm abm 32,985 Most Valuable Professional on at

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Hi @johnjohnPter

Please refer to my previous reply. This is the expected behaviour. When a flow is executed manually, it will prompt the user for authentication. However, because your flow is triggered automatically, it cannot request user authentication at runtime. As a result, it uses the service account or the configured connection to execute the actions. That is my understanding.

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johnjohnPter 2,015 Season of Giving Solutions 2025 on at

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@abm abm but inside the same flow i have Send Email V2, and it will be sent on behave of the user who call the flow from power apps, the from feild for the email will be = the power apps user and not the service account user

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