从我的 Postfix 服务器发送的电子邮件在 Gmail 中被标记为垃圾邮件

从我的 Postfix 服务器发送的电子邮件在 Gmail 中被标记为垃圾邮件

就像标题所说的那样,我的邮件在 Gmail 中被标记为垃圾邮件。我确实认为这与 127.0.0.1 部分有关,但我不确定。标题如下所示:

Delivered-To: [email protected]
Received: by 10.79.116.196 with SMTP id z65csp804720ivf;
        Tue, 4 Jul 2017 05:52:23 -0700 (PDT)
X-Received: by 10.28.166.132 with SMTP id p126mr19366025wme.104.1499172743690;
        Tue, 04 Jul 2017 05:52:23 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; t=1499172743; cv=none;
        d=google.com; s=arc-20160816;
        b=JUNkKoCHdTFQG0pcj/wWyabfbFyTg3RAmlzfkJX9Qj1I6SAp0ax/RBkGh3tIH9TsJN
         5S2h46c+Fw5olZ0O4h7oYTeRo1u9OBwrgnTR5AjoirzWlMiB2JrsZgAnBa0z/XbKM5G/
         fo6BnTkVuBcy3g8fQMMQ/SfRlY9w9Yar8DumN7FJDvVWfyGcllPBA0EPB0TatyRwozZH
         DoeWG8vcdOsygXwNhvVA9CrPzUuRNxq4I5G+gp/e7SHFJxaFA8tgdcktVof1k00xMYN8
         td8ztlizq4btKX1GJcPj3mnw0IhqHa1IdWw6ltNFcR3lfEkz2xEQQmuNHDBsVA44oTuf
         loCQ==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
        h=message-id:sender:errors-to:cc:reply-to:from:list-subscribe
         :list-help:list-post:list-archive:list-unsubscribe:list-id
         :precedence:subject:importance:date:to:mime-version:delivered-to
         :dkim-signature:arc-authentication-results;
        bh=1hE9+wnHb3d/rgd9qD7TH7Jz1JGadEb6Ysgwu49/Y6E=;
        b=LRxkUGftBv98uDvJUkr2/POrakzx1HIRsIrwhC21fGdRGhrc6p//UR6GTvy045b6Df
         wYBunSEGtWDYs/oJiI8X+L0rM60Ic25uzkidai8N4gK/hRf1SvBRKd7CBbY9+zYexzwF
         G06kL/jazj9U2CcYA+H5U/dJbnkX9806uxBTtQ8j/W9OQbZDwfnsdKJMLvm1u8aePo4Z
         E9zPqgNxowxmkhRNVulC5tDv4bkiNjB9LveDNZAaYh6J38G6QC/DivaUKlsUAH8GUA52
         mymT6Saas1C/Ec8X0MZbb7Y1BMhpggKc5JLAZh/nEpI/h7/fx+AxfUojejuGCNu9TqTm
         sLjw==
ARC-Authentication-Results: i=1; mx.google.com;
       dkim=pass (test mode) [email protected] header.b=5pztakr1;
       spf=pass (google.com: domain of [email protected] designates 5.196.4.39 as permitted sender) [email protected]
Return-Path: <[email protected]>
Received: from sub.mydomain.com (39.ip-5-196-4.eu. [5.196.4.39])
        by mx.google.com with ESMTP id k5si40036wma.87.2017.07.04.05.52.23;
        Tue, 04 Jul 2017 05:52:23 -0700 (PDT)
Received-SPF: pass (google.com: domain of [email protected] designates 5.196.4.39 as permitted sender) client-ip=5.196.4.39;
Authentication-Results: mx.google.com;
       dkim=pass (test mode) [email protected] header.b=5pztakr1;
       spf=pass (google.com: domain of [email protected] designates 5.196.4.39 as permitted sender) [email protected]
Received: from sub.mydomain.com (sub.mydomain.com [127.0.0.1]) by sub.mydomain.com (Postfix) with ESMTP id 7901544614; Tue,
  4 Jul 2017 14:52:22 +0200 (CEST)
DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=sub.mydomain.com; s=mail; t=1499172742; bh=HDoFwCVNCHgLH68W6KRlIndQHwDMy4I9S5ct8b8JNCQ=; h=To:Date:Subject:List-Id:List-Unsubscribe:List-Archive:List-Post:
     List-Help:List-Subscribe:From:Reply-To:Cc:From; b=5pztakr1swI9StkND4XExkmxLPV7fW+jluXuq6BDgcsQoF5Jkw4w86nzMe5eXe4qh
     88VZy4P4Frb682bqHgQ6MF8lU90FnmHVu4Q4ARN/B50szZZswnm4WpWH4xThNNtDnm
     7rgUSQsJMn6VJAul0lyFHhdAL5LsyZS20Wzmfoxw=
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: from s184.webhostingserver.nl (h2-sp01.webhostingserver.nl [141.138.168.55]) by sub.mydomain.com (Postfix) with ESMTPS id C31D244614 for <[email protected]>; Tue,
  4 Jul 2017 14:52:19 +0200 (CEST)
Received: from 5070903e.static.ziggozakelijk.nl ([80.112.144.62] helo=[IPv6:::ffff:192.168.1.4]) by s184.webhostingserver.nl with esmtpa (Exim 4.87) (envelope-from <[email protected]>) id 1dSNJT-001wgG-QK for [email protected]; Tue, 04 Jul 2017 14:52:19 +0200
MIME-Version: 1.0
To: "[email protected]" <[email protected]>
Date: Tue, 4 Jul 2017 14:52:16 +0200
Importance: normal
X-Priority: 3
Content-Type: multipart/alternative; boundary="_F4AC0B88-6980-434B-B17E-6D03F508243E_"
X-Authenticated-Id: [email protected]
Subject: [OC] Mail test
X-BeenThere: [email protected]
X-Mailman-Version: 2.1.23
Precedence: list
List-Id: Opleidings Commissie <oc.sub.mydomain.com>
List-Unsubscribe: <http://mail.sub.mydomain.com/mailman/options/oc>, <mailto:[email protected]?subject=unsubscribe>
List-Archive: <http://mail.sub.mydomain.com/mailman/private/oc/>
List-Post: <mailto:[email protected]>
List-Help: <mailto:[email protected]?subject=help>
List-Subscribe: <http://mail.sub.mydomain.com/mailman/listinfo/oc>, <mailto:[email protected]?subject=subscribe>
From: mart--- via OC <[email protected]>
Reply-To: Opleidings Commissie <[email protected]>
Cc: [email protected]
Errors-To: [email protected]
Sender: OC <[email protected]>

GMAIL 说:这与我们的垃圾邮件过滤器检测到的邮件类似。但这才是真正的问题吗?

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