CmdID

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Add-AttachmentFilterEntry

Use the Add-AttachmentFilterEntry cmdlet to add an entry to the attachment filter list that's used by the Attachment Filtering agent on Edge Transport servers. Exchange PowerShell reference

From the Exchange PowerShell reference 5 parameters Its page in the reference

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Parameters

5 in the Exchange PowerShell reference
-NameThe Name parameter specifies the files that you want to block.
-TypeThe Type parameter specifies what type of attachment the attachment filter entry blocks.
-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.
-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.
-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.