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                   The mail system

<wolfbloody-uAjRD0nVeow@public.gmane.org>: host mx4.hotmail.com[65.55.37.104] said: 550 SC-001
    (COL004-MC3F6) Unfortunately, messages from 80.190.246.202 weren't sent.
    Please contact your Internet service provider since part of their network
    is on our block list. You can also refer your provider to
    http://mail.live.com/mail/troubleshooting.aspx#errors. (in reply to MAIL
    FROM command)