EXOExternalInOutlook

Parameters

Parameter	Attribute	DataType	Description	Allowed Values
Identity	Key	String	OrganisationIDParameter, not needed for cmdlet Functionality, use 'ExternalinOutlook' to use the same configuration for multiple Tenants
Enabled	Write	Boolean	The Enabled parameter enables or disables external sender identification in supported versions of Outlook. Valid values are:$true: External sender identification in Outlook is enabled. An External icon is added in the area of the subject line of messages from external senders. To exempt specific senders or sender domains from this identification, use the AllowList parameter.$false: External sender identification in Outlook is disabled.
AllowList	Write	StringArray[]	The AllowList parameter specifies exceptions to external sender identification in supported versions of Outlook. Messages received from the specified senders or senders in the specified domains don't receive native External sender identification. The allow list uses the 5322.From address (also known as the From address or P2 sender). Valid values are an individual domain (contoso.com), a domain and all subdomains (*.contoso.com) or email addresses (admin@contoso.com).
Ensure	Write	String	Present ensures the instance exists, absent ensures it is removed.	Present, Absent
Credential	Write	PSCredential	Credentials of the workload's Admin
ApplicationId	Write	String	Id of the Azure Active Directory application to authenticate with.
TenantId	Write	String	Id of the Azure Active Directory tenant used for authentication.
CertificateThumbprint	Write	String	Thumbprint of the Azure Active Directory application's authentication certificate to use for authentication.
ApplicationSecret	Write	PSCredential	Secret of the Azure Active Directory tenant used for authentication.
AccessTokens	Write	StringArray[]	Access token used for authentication.

Description

This resource will use Set-ExternalInOutlook cmdlet to modify the configuration of external sender identification that's available in Outlook, Outlook for Mac, Outlook on the web, and Outlook for iOS and Android.

Permissions

Exchange

To authenticate with Microsoft Exchange, this resource required the following permissions:

Roles

• O365SupportViewConfig, OrganizationConfiguration, ViewOnlyConfiguration

Role Groups

• None

Examples

Example 1

This example is used to test new resources and showcase the usage of new resources being worked on. It is not meant to use as a production baseline.

Configuration Example
{
    param(
        [Parameter()]
        [System.String]
        $ApplicationId,

        [Parameter()]
        [System.String]
        $TenantId,

        [Parameter()]
        [System.String]
        $CertificateThumbprint
    )

    Import-DscResource -ModuleName Microsoft365DSC

    node localhost
    {
        EXOExternalInOutlook "EXOExternalInOutlook"
        {
            Identity              = "ExternalInOutlook";
            AllowList             = @("mobile01@contoso.onmicrosoft.com","*contoso.onmicrosoft.com","contoso.com");
            Enabled               = $False;
            Ensure                = "Present";
            ApplicationId         = $ApplicationId
            TenantId              = $TenantId
            CertificateThumbprint = $CertificateThumbprint
        }
    }
}