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Power Automate - Connector Development
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Power Automate + Graph API Email Trigger + Azure AD

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Posted on by

Hi Everyone!

I am Andriana and I live in Greece! 

I really need an urgent help tho!

I’ve been working on an automation that drafts auto-responses for incoming emails, but it should only apply to the CEO’s mailbox. My challenge is around the connection to Outlook: I want to avoid using or storing the CEO’s credentials directly for security reasons.

I see a few possible approaches:

  1. Outlook Connector in Power Automate – Simple, but requires the CEO’s credentials (not secure).

  2. Shared Mailbox – IT could set up a dedicated mailbox for this automation, but it would not be the CEO’s personal email.

  3. Microsoft Graph API with Application Permissions – More secure and scalable. We can register an Azure AD app, grant Mail.ReadWrite only for the CEO’s mailbox, and connect the automation without requiring his credentials.

From my research, option 3 (Graph API with app permissions) seems like the most appropriate long-term solution, since it is secure, avoids credentials, and can be tightly scoped to only the CEO’s mailbox.

I coule really use some advise if I should move forward with this approach, or not. Also really need help on how to implement it.

I am really stressed about finding the best solution.

Thanks,
Andriana

I have the same question (0)
  • Levbert Profile Picture
    28 on at
    Power Automate + Graph API Email Trigger + Azure AD
    you can also do with a service account that has access to the CEO's email box however the service account would need a license that has exchange.

    you should be able to adjust permissions to access is only permitted to Drafts folder

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