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Receive connectors to accept mails only from Authoritative domains - ms-exch-smtp-accept-authoritative-domain-sender

    Question

  • Hi

    We created a receive connector with Exchange 2016 as mentioned below

    Set-ReceiveConnector "Server1\Ext Relay SERVER1" -PermissionGroups AnonymousUsers

    Get-ReceiveConnector "Server1\Ext Relay SERVER1" | Add-ADPermission -User 'NT AUTHORITY\Anonymous Logon' -ExtendedRights MS-Exch-SMTP-Accept-Any-Recipient

    Get-ReceiveConnector "Server1\Ext Relay SERVER1" | Remove-ADPermission -User 'NT AUTHORITY\Anonymous Logon' -ExtendedRights MS-Exch-SMTP-Accept-Any-Sender

    Now the connector has only 2 permission for Anonymous user / Logon :- Accept-Any-Recipient & ms-exch-smtp-accept-authoritative-domain-sender

    But we are unable to send mail (using telnet) from @our authoritative domain. Getting message saying "Client was not authenticated to send Anonymous mail during MAIL FROM"

    Our requirement is to allow relay from any appliances (printers / scanners and other apps) only from Authoritative domains

    Looking for your support, Thanks in advance


    LMS

    Monday, April 30, 2018 1:29 PM

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