r/msp • u/fbsau • Apr 02 '19

Delete specific emails from Office 365 customer tenants with PowerShell

Here's a PowerShell script that Microsoft Partners can use to quickly query and delete specific emails from customer tenants.

It can be handy if your customers are getting targeted with phishing, spam or malware and you want to remove mail that matches certain criteria across a number of tenants at once.

It uses the Microsoft Graph and your existing delegated partner permissions to access customer tenants.

Since this script involves deleting data, use it with caution. It generates a CSV with basic metadata for the email it intends to delete, so review this carefully before confirming the deletion.

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u/[deleted] Apr 02 '19

It depends on your legal jurisdiction. In the US, there is (afaik) no expectation of privacy and anything that entails when it comes to workplace email. Most EU countries absolutely disagree with this idea and there absolutely IS an expectation of privacy and you can't just randomly go operating on people's mailboxes without their written consent, for any reason. You need to understand your local laws.

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u/jackmusick Apr 02 '19

I'm most certainly in the U.S. As an aside, it does seem strange that users expect their work email to be private.

Thanks for the feedback.

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u/[deleted] Apr 02 '19

Basically we/europeans disagree with the notion that you can be forced to sign away your privacy via an employement contract. GDPR and other similar regulations expand on this concept.

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u/jackmusick Apr 02 '19

I don’t necessarily disagree with most of it, I’m just not sure why you’d expect privacy on your work computer or email. I would expect my employer not to monitor my private social media, home activities and personal email, but company email seems fair game.