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sumo83's avatar
sumo83
Iron Contributor
Jun 27, 2024

Pop up window to confirm when sending email with with attachment externally

Hi,

 

I have been requested to configure a Pop up warning/message for emails sent outside our organization if there is an attachment. We are now running on M365 E3 with M365 E5 Security and I do not have that option there. From what I read, upgrading to M365 E5 would give us "oversharing pop ups" feature. 

 

Before I will go with upgrading all users to E5, I would like to confirm whether the above would be possible with E5 license?

data loss prevention

1 Reply

  • IvanWilson's avatar
    IvanWilson
    Iron Contributor
    Jun 28, 2024
    If you have E5 licenses, you can configure a Data Loss Prevention rule to show a policy tip. I'm not sure if you can specify a rule that would trigger on an email having any attachment. Usually, you are checking for attachments with specific sensitivity labels applied or for sensitive information types.

    Check out https://learn.microsoft.com/en-au/purview/dlp-policy-tips-reference#support-matrix-for-dlp-policy-tips-across-microsoft-apps

    You could purchase one license to test your scenarios before upgrading all users.

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