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Set-TenantAllowBlockListSpoofItems

This cmdlet is available only in the cloud-based service.

Use the Set-TenantAllowBlockListSpoofItems cmdlet to modify spoofed sender entries in the Tenant Allow/Block List.

For information about the parameter sets in the Syntax section below, see Exchange cmdlet syntax.

Syntax

Default (Default)

Set-TenantAllowBlockListSpoofItems
    [-Identity] <HostedConnectionFilterPolicyIdParameter>
    -Action <String>
    -Ids <String[]>
    [-Confirm]
    [-WhatIf]
    [<CommonParameters>]

Description

This cmdlet allows or blocks spoof pairs (the combination of the spoofed user and the sending infrastructure) in the Tenant Allow/Block List.

You need to be assigned permissions before you can run this cmdlet. Although this article lists all parameters for the cmdlet, you might not have access to some parameters if they aren't included in the permissions assigned to you. To find the permissions required to run any cmdlet or parameter in your organization, see Find the permissions required to run any Exchange cmdlet.

Examples

Example 1

Get-TenantAllowBlockListSpoofItems | Format-Table SpoofedUser,SendingInfrastructure,SpoofType,Action,Identity

Set-TenantAllowBlockListSpoofItems -Identity Default -Action Block -Ids 375e76f1-eefb-1626-c8bc-5efefd057488,f8cb0908-8533-1156-ce7b-9aebd685b0eb

This example bocks the specified spoof pairs. You get the Ids parameter values from the output of Get-TenantAllowBlockListSpoofItems command (the Identity property).

Example 2

(Get-TenantAllowBlockListSpoofItems -SpoofType External | Select-Object -Property Identity).Identity | Remove-TenantAllowBlockListSpoofItems -Identity Default

This example removes all external spoof pairs from the Tenant Allow/Block List.

Parameters

-Action

Applicable: Exchange Online, Security & Compliance, Exchange Online Protection

The Action parameter specifies whether this entry is an allow or block spoofed sender entry. Valid values are:

  • Allow
  • Block

Parameter properties

Type:String
Default value:None
Supports wildcards:False
DontShow:False

Parameter sets

(All)
Position:Named
Mandatory:True
Value from pipeline:False
Value from pipeline by property name:False
Value from remaining arguments:False

-Confirm

Applicable: Exchange Online, Security & Compliance, Exchange Online Protection

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.

Parameter properties

Type:SwitchParameter
Default value:None
Supports wildcards:False
DontShow:False
Aliases:cf

Parameter sets

(All)
Position:Named
Mandatory:False
Value from pipeline:False
Value from pipeline by property name:False
Value from remaining arguments:False

-Identity

Applicable: Exchange Online, Security & Compliance, Exchange Online Protection

The Identity parameter uses the value Default.

Parameter properties

Type:HostedConnectionFilterPolicyIdParameter
Default value:None
Supports wildcards:False
DontShow:False

Parameter sets

(All)
Position:0
Mandatory:True
Value from pipeline:True
Value from pipeline by property name:True
Value from remaining arguments:False

-Ids

Applicable: Exchange Online, Security & Compliance, Exchange Online Protection

The Ids parameter specifies the spoof pair that you want to modify. A valid value is the Identity property value from the output of the Get-TenantAllowBlockListSpoofItems cmdlet. You can specify multiple values separated by commas.

Parameter properties

Type:

String[]

Default value:None
Supports wildcards:False
DontShow:False

Parameter sets

(All)
Position:Named
Mandatory:True
Value from pipeline:True
Value from pipeline by property name:True
Value from remaining arguments:False

-WhatIf

Applicable: Exchange Online, Security & Compliance, Exchange Online Protection

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.

Parameter properties

Type:SwitchParameter
Default value:None
Supports wildcards:False
DontShow:False
Aliases:wi

Parameter sets

(All)
Position:Named
Mandatory:False
Value from pipeline:False
Value from pipeline by property name:False
Value from remaining arguments:False

CommonParameters

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutBuffer, -OutVariable, -PipelineVariable, -ProgressAction, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.