EXOAntiPhishRule

Parameters

Parameter	Attribute	DataType	Description	Allowed Values
Identity	Key	String	The Identity parameter specifies the name of the antiphishing rule that you want to modify.
Ensure	Write	String	Specify if this rule should exist or not.	Present, Absent
AntiPhishPolicy	Required	String	The AntiPhishPolicy parameter specifies the name of the antiphishing policy that's associated with the antiphishing rule.
Enabled	Write	Boolean	Specify if this rule should be enabled. Default is $true.
Priority	Write	UInt32	The Priority parameter specifies a priority value for the rule that determines the order of rule processing. A lower integer value indicates a higher priority, the value 0 is the highest priority, and rules can't have the same priority value.
Comments	Write	String	The Comments parameter specifies informative comments for the rule, such as what the rule is used for or how it has changed over time. The length of the comment can't exceed 1024 characters.
ExceptIfRecipientDomainIs	Write	StringArray[]	The ExceptIfRecipientDomainIs parameter specifies an exception that looks for recipients with email address in the specified domains. You can specify multiple domains separated by commas.
ExceptIfSentTo	Write	StringArray[]	The ExceptIfSentTo parameter specifies an exception that looks for recipients in messages. You can use any value that uniquely identifies the recipient.
ExceptIfSentToMemberOf	Write	StringArray[]	The ExceptIfSentToMemberOf parameter specifies an exception that looks for messages sent to members of groups. You can use any value that uniquely identifies the group.
RecipientDomainIs	Write	StringArray[]	The RecipientDomainIs parameter specifies a condition that looks for recipients with email address in the specified domains. You can specify multiple domains separated by commas.
SentTo	Write	StringArray[]	The SentTo parameter specifies a condition that looks for recipients in messages. You can use any value that uniquely identifies the recipient.
SentToMemberOf	Write	StringArray[]	The SentToMemberOf parameter looks for messages sent to members of groups. You can use any value that uniquely identifies the group.
Credential	Write	PSCredential	Credentials of the Exchange Global 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.
CertificatePassword	Write	PSCredential	Username can be made up to anything but password will be used for CertificatePassword
CertificatePath	Write	String	Path to certificate used in service principal usually a PFX file.

EXOAntiPhishRule

Description

This resource configures an Anti-Phish Rule in Exchange Online. Reference: https://docs.microsoft.com/en-us/powershell/module/exchange/advanced-threat-protection/new-antiphishRule?view=exchange-ps

Parameters

AntiPhishPolicy

• Required: Yes
• Description: The Identity of the AntiPhish Policy to associate with this AntiPhish Rule.

Ensure

• Required: No (Defaults to 'Present')
• Description: Specifies if the configuration should be Present or Absent

Credential

• Required: Yes
• Description: Credentials of the account to authenticate with

Identity

• Required: Yes
• Description: Name of the Anti-Phish Rule

Example

        EXOAntiPhishRule TestPhishRule {
            Ensure = 'Present'
            Identity = 'TestRule'
            Credential = $Credential
            AntiPhishPolicy = 'TestPolicy'
            Enabled = $true
            Priority = 0
            RecipientDomainIs = @('contoso.com')
        }

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(Mandatory = $true)]
        [PSCredential]
        $credsGlobalAdmin
    )
    Import-DscResource -ModuleName Microsoft365DSC

    node localhost
    {
        EXOAntiPhishRule 'ConfigureAntiPhishRule'
        {
            Identity                  = "Test Rule"
            ExceptIfSentToMemberOf    = $null
            ExceptIfSentTo            = $null
            SentTo                    = $null
            ExceptIfRecipientDomainIs = $null
            Comments                  = $null
            AntiPhishPolicy           = "Our Rule"
            RecipientDomainIs         = $null
            Enabled                   = $True
            SentToMemberOf            = @("msteams_bb15d4@contoso.onmicrosoft.com")
            Priority                  = 1
            Ensure                    = "Present"
            Credential                = $credsGlobalAdmin
        }
    }
}