Extract Received field from email because of searching for evil PTR names

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from hq.pro-ns.net (localhost [127.0.0.1])
    by hq.pro-ns.net (8.12.5/8.12.5) with ESMTP id g6PKqXi5012305
    (version=TLSv1/SSLv3 cipher=EDH-DSS-DES-CBC3-SHA bit


                      
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