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为什么我会收到两封垃圾邮件？

tag-icon • tag-icon email spam-prevention spamassassin
为什么我会收到两封垃圾邮件？

大约一年来，我注意到我收到的几乎每封垃圾邮件都是重复的——完全相同的邮件，两次发送到我的电子邮件地址，间隔约 3 分钟。我检查过电子邮件别名是否转发给我 root@ 或 postmaster@，也检查过 amavis/postfix 是否没有重复投递，但我很确定这些事情都没有发生。

以下是一对此类电子邮件的标题。我已经混淆了我的服务器、域和电子邮件，但其他所有内容（ID、日期等）都与收到的完全一样。您可以看到这些是在不同时间收到的不同消息 ID，但除此之外，标题（和整个正文）是逐个字符相同的。

Return-Path: <[email protected]>
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: from localhost (obfuscated.mail.server [127.0.0.1])
        by obfuscated.mail.server (Postfix) with ESMTP id BF0817D8020
        for <[email protected]>; Mon,  6 Mar 2017 11:57:32 -0500 (EST)
X-Virus-Scanned: amavisd-new at mail.server
Received: from obfuscated.mail.server ([127.0.0.1])
        by localhost (obfuscated.mail.server [127.0.0.1]) (amavisd-new, port 10024)
        with ESMTP id GHCc_GUy3oD4 for <[email protected]>;
        Mon,  6 Mar 2017 11:57:32 -0500 (EST)
Received: from securemail2.com (unknown [184.170.244.205])
        by obfuscated.mail.server (Postfix) with ESMTP id E787F7D801C
        for <[email protected]>; Mon,  6 Mar 2017 11:57:31 -0500 (EST)
Date: Mon, 06 Mar 2017 11:48:20 -0500
Subject: Bio-Hack - Controlling blood pressure without medication.
Mime-Version: 1
To: [email protected]
Message-ID: <[email protected]>
From: Anthony Benson <[email protected]>
Priority: Normal
Reply-To:  [email protected]
Content-Type: multipart/alternative; boundary="WpMi7Ho6799197a1a304615c60467081a4124a7"


Return-Path: <[email protected]>
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: from localhost (obfuscated.mail.server [127.0.0.1])
        by obfuscated.mail.server (Postfix) with ESMTP id B486C7D8020
        for <[email protected]>; Mon,  6 Mar 2017 11:55:36 -0500 (EST)
X-Virus-Scanned: amavisd-new at mail.server
Received: from obfuscated.mail.server ([127.0.0.1])
        by localhost (obfuscated.mail.server [127.0.0.1]) (amavisd-new, port 10024)
        with ESMTP id 3HWKiYFt8CKb for <[email protected]>;
        Mon,  6 Mar 2017 11:55:35 -0500 (EST)
Received: from securemail2.com (unknown [184.170.244.205])
        by obfuscated.mail.server (Postfix) with ESMTP id 90B207D801C
        for <[email protected]>; Mon,  6 Mar 2017 11:55:35 -0500 (EST)
Date: Mon, 06 Mar 2017 11:48:17 -0500
Priority: Normal
Content-Type: multipart/alternative; boundary="WpMi7Ho6799197a1a304615c60467081a4124a7"
Mime-Version: 1
From: Anthony Benson <[email protected]>
To: [email protected]
Reply-To:  [email protected]
Subject: Bio-Hack - Controlling blood pressure without medication.
Message-ID: <[email protected]>

我想知道的是：

  1. 这是我的邮件设置有问题吗？还是我真的收到了几乎每一个两次垃圾邮件（我估计超过 80% 的垃圾邮件都是通过这种方式来的）？

  2. 有什么方法可以利用这个问题来帮助训练垃圾邮件杀手，让他们知道这些都是垃圾邮件吗？（至少，我能以某种方式让电子邮件的第二份副本比第一份“更垃圾”吗？）

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