就像标题所说，我的邮件在Gmail中被标记为垃圾邮件。 我确实有想法，它与127.0.0.1部分有关，但我不确定。 标题看起来像这样：
Delivered-To: xxxxxx@gmail.com 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：这类似于我们的垃圾邮件filter检测到的邮件。 虽然这是真正的问题吗？