Stopping Email Storms in Microsoft 365: Avoiding the Reply-Allpocalypse

Email Storms. Most of us have seen it. An inadvertent email goes out to 10,000 people, and someone asks to be removed from the thread. Then somebody says not to reply to the thread.... Soon, hundreds of thousands of emails are taking down email servers, choking up bandwidth, and annoying everyone involved. Welcome to the Reply-Allpocalypse.

Thankfully, Microsoft 365 has tools to stop this dreaded annoyance, but you'll need to use PowerShell to get there. In this Tech Talk, we start from the basics and quickly show how to:

-Enable The Exchange Online PowerShell Module,
-Connect to your environment
-Manage TransportConfig settings to:
-Change the minimum settings for recipients and replies
-Extend the block duration when a storm is detected
Here are the powershell commands from the video:

Install-Module -Name ExchangeOnlineManagement
Update-Module -Name ExchangeOnlineManagement
Import-Module ExchangeOnlineManagement
Connect-ExchangeOnline
Get-TransportConfig | FL *ReplyAllStorm*
Set-TransportConfig -ReplyAllStormProtectionEnabled $true
Set-TransportConfig -ReplyAllStormDetectionMinimumRecipients 1000
Set-TransportConfig -ReplyAllStormDetectionMinimumReplies 7
Set-TransportConfig -ReplyAllStormBlockDurationHours 10

If you need help managing your Microsoft 365 environment to stop spam, scams, phishing, enabling end to end encryption, data loss prevention, or migrating to Microsoft 365 from On-prem, Google, visit us at AgileIT.com

Видео Stopping Email Storms in Microsoft 365: Avoiding the Reply-Allpocalypse канала Agile IT