I need to send a mail from a Logic Apps by using a Shared Mailbox in the "from". I have a shared mailbox (noreply@mycompany.com) and I have granted to my user account the permissions "full access", "send as" and also "send on behalf" on the shared mailbox. In the Logic Apps, I have a Send a mail from a Shared Mailbox (v2) and I use my user account to create the connection. When I run the Logic Apps, I have a 404 error with the message "Specified folder not found".
2 Answers
I configure the shared mailbox same with you and meet the same problem. In logic app, it always shows 404 Specified folder not found but I can call graph api to implement it success. So I think it has nothing to do with the permissions.
Here is a workaround for your reference. Use "Send an email(v2)" action and set "From (Send as)" as the shared mailbox address.
I found that after setting the permissions, we need to wait for a few minutes/hours (I don't know exactly how many time). On my side, it works after 2 hours. Sounds like there are some replications or caching somewhere between Logic Apps connectors and Office365 permissions.
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