ヘッダー情報の読み取り方について
先日私のところに迷惑メールが届いたのですが、送信者が偽造されていました。下のヘッダー情報のどこに本当の送信元のメールアドレスが記入されているのでしょうか。出来れば教えて下さい。
Delivered-To: spam1992@gmail.com
Received: by 10.142.193.5 with SMTP id q5cs175225wff;
Wed, 26 Dec 2007 21:34:48 -0800 (PST)
Received: by 10.82.138.6 with SMTP id l6mr13807284bud.13.1198733687445;
Wed, 26 Dec 2007 21:34:47 -0800 (PST)
Return-Path: <uyqpoblkmsa8hgb@yahoo.com>
Received: from gmail.com (61-228-31-240.dynamic.hinet.net [61.228.31.240])
by mx.google.com with ESMTP id 35si4728952nfu.12.2007.12.26.21.34.38;
Wed, 26 Dec 2007 21:34:47 -0800 (PST)
Received-SPF: neutral (google.com: 61.228.31.240 is neither permitted nor denied by domain of uyqpoblkmsa8hgb@yahoo.com) client-ip=61.228.31.240;
Authentication-Results: mx.google.com; spf=neutral (google.com: 61.228.31.240 is neither permitted nor denied by domain of uyqpoblkmsa8hgb@yahoo.com) smtp.mail=uyqpoblkmsa8hgb@yahoo.com
Message-Id: <47733977.2315300a.2851.7b67SMTPIN_ADDED@mx.google.com>
Reply-To: =?ISO-2022-JP?B?GyRCO2QkTyQiJEokPyROJGIkThsoQg==?= <uyqpoblkmsa8hgb@yahoo.com>
From: =?ISO-2022-JP?B?GyRCO2QkTyQiJEokPyROJGIkThsoQg==?= <uyqpoblkmsa8hgb@yahoo.com>
To: <spam1992@gmail.com>
Subject: =?ISO-2022-JP?B?GyRCPEwlYSRiGyhCVEVMGyRCJGIkRyQtJGskaBsoQg==?=
Date: Thu, 27 Dec 2007 14:34:36 +09:00
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補足
from 送信者のプロバイダで、by以降が受信者のプロバイダですよね？ 私がきいてるのは、by以降のことです