Browsing: NDR

How to set the postmaster address in Office 365


By default when Exchange Online in Office 365 is setup for your organization, the postmaster address, e.g. is set to This means that when someone sends mail to your organization and gets an NDR back, the sender is: If you want to change this, you can do so using PowerShell for Exchange Online. The procedure for changing this is: 1. Connect to your Exchange online using PowerShell 2. Change addres using command: Set-TransportConfig –ExternalPostmasterAddress This…

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