Internal mail server IP in header

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    ronroze
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    #128332

    Hi guys,

    I have just received an NDR for an email I sent, which says:

    550 5.7.1 This system has been configured to reject your mail.
    An IP address (100.100.100.1 – our internal mail server’s IP ) found in the message’s ‘Received:’ headers is listed by the lookup site.

    Is there a way to hide our server’s internal IP (both for security reasons and for preventing cases like this one?)

    thanks…

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