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Email Send Authorization Issue

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Posted on by AA-05082333-0

Am hoping I can get some help.

I have built my first PowerApp (extremely proud of myself 😁) that has it source as a SharePoint list and it works very well.

I have a Flow running (Sharepoint Trigger) to notify customers and send a email (v2) with an attachment. It runs well when I test it but with other users I encounter this error.

'You are not authorized to send mail on behalf of the specified sending account.'

I changed to Send an email notification, and while this works, our customers are rejecting emails with the sender as 'Microsoft Power Apps and Power Automate <microsoft@powerapps.com>'

My issue is mail notifications HAVE to come from the person submitting the form, as this is part of our business process.

The email MUST come from specific users in our Service Delivery department, and not a system generated email.

Can anyone assist please? Is there another way this can be achieved?

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Building Power Apps

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Community Power Pla... Microsoft Employee on at

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As far as I'm aware there's no way to dynamically change the email connection in Power Automate to send the email as another user.

See this related post here:
https://powerusers.microsoft.com/t5/Using-Flows/Send-email-Send-an-Email-from-the-User-who-created-the-Item/m-p/139389#M3692

You might want to consider setting up a shared mailbox that you have permission to send from and use the "Send an email from a shared mailbox" action from Powerapps if that suits your needs, so that the emails to your customers come from your domain and not the powerapps.com domain.

You may also want to consider a redesign and using the Office365Outlook.SendEmailV2() function from within Powerapps after adding the Office 365 Outlook connector, as this would be able to send using the user's email as the sender.

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AA-05082333-0 47 on at

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Hi @Anonymous ,

Thanks alot! I will try the second option (redesign) you mentioned and advise, thanks again!

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AA-05082333-0 47 on at

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Thanks again @Anonymous , the shared mailbox solution has worked!

😎

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Community Power Pla... Microsoft Employee on at

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Fantasic @aanyoti , glad to help and glad you got it working! 😊

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