Reject SPAM message with notifying sender

Discussion in 'Installation/Configuration' started by webhunter, Oct 13, 2018.

  1. webhunter

    webhunter Member

    I host a few domains and several E-mail addresses.

    Current situation:
    Incoming mail ist checked against several blacklist servers, if the IP exist in blacklist, message is rejected.

    To inform sender of being blacklisted, the blacklist he's on and the message he sent was rejected by my server.
    How can I do that? Any help appreciated!


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