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Exchange Online Reply-all storm Protection

Hi All,

A Month ago, Microsoft annouced in the Exchange Team Blog, the New Reply-all Storm Protection Report, Settings UI and new Mail flow Alert Policies.

New Reply-all Storm Protection Report, Settings UI, and Alert Policy

In the new Exchange Admin Center you can find the Reply-all Storm Settings unter Settings > Mail flow

These Settings can also be configured by PowerShell.
Keep in Mind, that the Minimum Recipients must be between 1000 and 5000. A good Number for large Enterprises but not very suitable if you're a smaller Company with 100 up to 1000 Employees.

Get-TransportConfig | fl *storm*

Now there is also a Report under Reports > Mail flow

Reply-all storm protection report in the new Exchange admin center in Exchange Online

Andres Bohren

Print | posted on Thursday, May 26, 2022 6:55 AM | Filed Under [ Exchange ]

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