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Postmaster Address

Anonymous
2017-06-18T14:37:11+00:00

Hi

I use Office365. Is it possible to set up a Postmaster address and an Abuse Address. If yes - how?

Microsoft 365 and Office | Subscription, account, billing | For home | Windows

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Anonymous
2017-06-18T21:17:35+00:00

Hi Peter EU,

By default when Exchange Online in Office 365 is setup for your organization, the postmaster address, e.g. ******@domain.com is set to ******@domain.onmicrosoft.com.

This means that when someone sends mail to your organization and gets an NDR back, the sender is: ******@domain.onmicrosoft.com.

Do you mean you want to change this? If so, it is achievable by PowerShell:

Set-TransportConfig -ExternalPostmasterAddress <postmaster address>

You can find details in this article: Configure the external postmaster address in Exchange Online.

Regards,

Vanessa

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  1. Anonymous
    2017-06-20T17:28:51+00:00

    Hi Peter EU,

    Yes, your understanding is correct. The postmaster address is only used to send NDR by default. It should not be able to receive email.

    Thanks for your understanding.

    Vanessa

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  2. Anonymous
    2017-06-19T04:26:32+00:00

    Hi

    Just to be sure - the postmaster address is only to send NDR from? It should not be able to receive e-mails?

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