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Set-AttachmentFilterListConfig

 

Applies to: Exchange Server 2016

This cmdlet is available or effective only on Edge Transport servers in on-premises Exchange Server 2016.

Use the Set-AttachmentFilterListConfig cmdlet to modify the configuration of the Attachment Filtering agent on Edge Transport servers.

Set-Attachmentfilterlistconfig [-Action <Reject | Strip | SilentDelete>] [-AdminMessage <String>] [-Confirm [<SwitchParameter>]] [-DomainController <Fqdn>] [-ExceptionConnectors <MultiValuedProperty>] [-RejectResponse <String>] [-WhatIf [<SwitchParameter>]]

This example modifies the action that the Attachment Filtering agent takes on an attachment that matches an entry on the attachment filter list so that both the email message and attachment aren't delivered to the recipient, and an NDR is sent to the sender.

Set-AttachmentFilterListConfig -Action Reject

On Edge Transport servers, the Attachment Filtering agent blocks attachments in messages based on the content type or the file name of the attachment. The configuration of the Attachment Filtering agent determines how messages that contain the specified attachments are processed.

You need to be assigned permissions before you can run this cmdlet. Although all parameters for this cmdlet are listed in this topic, you may not have access to some parameters if they're not included in the permissions assigned to you. To see what permissions you need, see the "Anti-spam features - Edge Transport" entry in the Anti-spam and anti-malware permissions topic.

 

Parameter Required Type Description

Action

Optional

Microsoft.Exchange.Data.Directory.SystemConfiguration.FilterActions

The Action parameter specifies how the Attachment Filtering agent handles an attachment that matches an entry on the attachment filter list. The default value is Reject. You can use one of the following values:

  • Reject   This value prevents both the email message and attachment from being delivered to the recipient and issues a non-delivery report (NDR) to the sender.

  • Strip   This value removes the offending attachment from the email message and allows the message and other attachments that don't match an entry on the attachment filter list through. A notification that the attachment was removed is added to the email message.

  • SilentDelete   This value prevents both the email message and the attachment from being delivered to the recipient. No notification that the email message and attachment were blocked is sent to the sender.

AdminMessage

Optional

System.String

The AdminMessage parameter specifies the content of a text file that replaces attachments removed by the Attachment Filtering agent. The AdminMessage parameter only appears when the Attachment Filtering agent is configured to remove an attachment that's been identified as bad.

Confirm

Optional

System.Management.Automation.SwitchParameter

The Confirm switch specifies whether to show or hide the confirmation prompt. How this switch affects the cmdlet depends on if the cmdlet requires confirmation before proceeding.

  • Destructive cmdlets (for example, Remove-* cmdlets) have a built-in pause that forces you to acknowledge the command before proceeding. For these cmdlets, you can skip the confirmation prompt by using this exact syntax: -Confirm:$false.

  • Most other cmdlets (for example, New-* and Set-* cmdlets) don't have a built-in pause. For these cmdlets, specifying the Confirm switch without a value introduces a pause that forces you acknowledge the command before proceeding.

DomainController

Optional

Microsoft.Exchange.Data.Fqdn

The DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory. You identify the domain controller by its fully qualified domain name (FQDN). For example, dc01.contoso.com.

The DomainController parameter isn't supported on Edge Transport servers. An Edge Transport server uses the local instance of Active Directory Lightweight Directory Services (AD LDS) to read and write data.

ExceptionConnectors

Optional

Microsoft.Exchange.Data.MultiValuedProperty

The ExceptionConnectors parameter specifies a list of connectors that should be excluded from attachment filtering. Attachment filters aren't applied to email messages received through these connectors. You must use the connector GUID to specify the ExceptionConnectors parameter value.

RejectResponse

Optional

System.String

The RejectResponse parameter specifies the message body that you want delivered in the NDR to senders whose messages contain an attachment that's blocked. The RejectResponse parameter is required only if you set the Action parameter to Reject. Don't exceed 240 characters in the parameter argument. When you pass an argument, you must enclose the RejectResponse parameter value in quotation marks (") if the phrase contains spaces, for example: "Message rejected". The default setting is Message rejected due to unacceptable attachments.

WhatIf

Optional

System.Management.Automation.SwitchParameter

The WhatIf switch simulates the actions of the command. You can use this switch to view the changes that would occur without actually applying those changes. You don't need to specify a value with this switch.

To see the input types that this cmdlet accepts, see Cmdlet Input and Output Types. If the Input Type field for a cmdlet is blank, the cmdlet doesn’t accept input data.

To see the return types, which are also known as output types, that this cmdlet accepts, see Cmdlet Input and Output Types. If the Output Type field is blank, the cmdlet doesn’t return data.

 
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