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Sending email as From (Send as) issue

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Posted on by 52

Hi,

 

I have created an MS Flow that is fired through PowerApps, the flow sends email to a recepient (this is a field in the form). Here's the email in the flow. The connection and email action is using the connection run by service account that is in the From (Send As). The service account is licensed and configured with Mailbox and enabled Send As. However flow is having this error when sending email. Any idea?

 

Here's the error:

You don’t have permissions to send emails on behalf of the specified sending account. Contact the account owner to check shared mailbox permissions and gain access.

 

EmailError.PNG

  • Pstork1 Profile Picture
    Pstork1 64,767 on at
    Re: Sending email as From (Send as) issue

    Child flows run in the security context of the person who triggers them. So if the parent flow is triggered by an end user then the child flow will run in that security context also and the end user will need to have the send as permission.

  • ErwanF Profile Picture
    ErwanF 94 on at
    Re: Sending email as From (Send as) issue

    Hi John,
    Does this means that the parent flow triggered (end user) the child flow (owned by dev who have send as privilege) can send utilise Send As?

  • Pstork1 Profile Picture
    Pstork1 64,767 on at
    Re: Sending email as From (Send as) issue

    Please post this as a new question.  You'll get more responses and others will be able to find the answer more easily later.

  • aspencer Profile Picture
    aspencer 2 on at
    Re: Sending email as From (Send as) issue

    Hello,

     

    I have created a power automate flow that triggers when a new response is submitted in a form. From there, I used the get response action and then created the send an email action to send an email to a list of other people. I am struggling to get the "From (Send as)" box to be from the person who submitted the form. 

     

    I have a question in the form that asks for the submitters email address, so I thought that could be a possible solution to add that expression in. Please let me know how to get the email to be sent from the person who submitted the form that triggered the power automate flow. 

     

    aspencer_0-1684252477897.png

    aspencer_1-1684252508558.png

     

     

  • sjhong Profile Picture
    sjhong 8 on at
    Re: Sending email as From (Send as) issue

    i successful. change connect account want to send as. o365 outlook(v2).

  • sjhong Profile Picture
    sjhong 8 on at
    Re: Sending email as From (Send as) issue

    i successful.. change connect account want to send as. o365 outlook(v2)

  • Pstork1 Profile Picture
    Pstork1 64,767 on at
    Re: Sending email as From (Send as) issue

    If the flow is triggered using an automated trigger then the flow will run in the security context of the maker of the flow.  That person needs to be given Send As permission to the mailbox you want to put in the From.  Since its probably a number of mailboxes this becomes an issue.

  • VictorIvanidze Profile Picture
    VictorIvanidze 11,853 on at
  • groyet Profile Picture
    groyet 53 on at
    Re: Sending email as From (Send as) issue

    If the flow is triggered by PowerAutomate, what steps are needed to have SendAs authority for the mailbox listed in the From field?

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