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  1. #1

    How to block Email from postfix

    I'm using postfix to send and receive mail. I want to block Vietnamese Subject but do not know how to configure. Please help me!

    Thank you,

  2. #2
    Hi hungvx2,

    specify the file in that holds header_checks. edit with your favorite editor and add as below.
    header_checks = regexp:/etc/postfix/header_checks
    Then edit /etc/postfix/header_checks and Append:
    /^Subject:.*Vietnamese/ DISCARD
    Restart postfix.

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