Mailflow Datacenter IPs
Use the Get-HybridMailflowDatacenterIPs cmdlet to retrieve the IP addresses of the Microsoft Exchange Online Protection (EOP) service data centers. Note : We recommend that you use the Exchange Online PowerShell V2 module to connect to Exchange Online PowerShell. For instructions, see Use the Exchange Online PowerShell V2 module (https://docs.microsoft.com/powershell/exchange/exchange-online-powershell-v2).
For information about the parameter sets in the Syntax section below, see Exchange cmdlet syntax (https://docs.microsoft.com/powershell/exchange/exchange-cmdlet-syntax).
The Get-HybridMailflowDatacenterIPs cmdlet supports hybrid deployments and lists the IP addresses of EOP service data centers that support hybrid deployments. The list isn't specific to any on-premises Exchange organization.
You need to be assigned permissions before you can run this cmdlet. Although this topic lists all parameters for the cmdlet, you may not have access to some parameters if they're not 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.
This example returns IP address information for EOP service data centers that support hybrid deployments.
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.