我在Debian虚拟服务器上设置了一个带mailcow的邮件服务器。 host-和mailname是mail.DOMAIN.de。 我也设置了像MX和SPF的DNSlogging。 你可以在这里看到我所有的logging：
DNSlogging
邮件头里没有什么华丽的东西：
Delivered-To: RECEIVER@gmail.com Received: by 10.200.37.154 with SMTP id e26csp1028322qte; Mon, 26 Jun 2017 06:13:43 -0700 (PDT) X-Received: by 10.223.161.149 with SMTP id u21mr14521713wru.70.1498482823112; Mon, 26 Jun 2017 06:13:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1498482823; cv=none; d=google.com; s=arc-20160816; b=Yylk3JtaULCZZ884shkY4PdhX3LR7XRlN5qpyaUg13lMIZTBVrTesuV4ypHbJNI3XX kRD04fRvCAWcrAKiIp0qkSSzNXgdN67cQNI/GA/cv62swSnisv5uZ7e+WBVtIRdCPKXX sLTMzlpBGQWdcNMqcukIpeVda5J5HdT2+LqadLuaZYKVOMMEhXaleM2ha3hmWCprYgXX 7mRiAmZzEvncDZFRs/JItBtdYb28zjwKxUpChYO+aZbM1DUyFqSf5izydeBCElYTdMXX kq3DE4UZCf2641T4aPXFADomOh/DvHEKUzL0Au1J6MkD9EdyTda+sz+Zly56VFsAx5XX hlaw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-language:content-transfer-encoding:mime-version:date :message-id:subject:from:to:arc-authentication-results; bh=g3zLYH4xKxcPrHOD18z9YfpQcnk/GaJedfustWU5uXX=; b=I6KJbX6O2e58u8DerN+HvZL2OvgkLm+5kWpFBLmy/XM22GRY/nQ0b8XGwQTnJjjWXX RwNXMzt+DGY6hOhNdRzJtQuDZr+j8f5nQKQshkeYu00+i8Dje/oJBflf8LqwjsgRL5XX /dMIcl9leS9ug52izVt8+J3VXygLnCw8umPoYpGkiEgh6BG/alZFvxk+UnnaB4oBxTXX WKEzfeIcReEOmXPmvQRmEyAsS/VqbwPAWV4y4XcxVPaM7bIIDOtl4jKNhx0sMMXX+sI/ ei1pQ2nY7QYF2Y4QLbpG+veLmB+omIIzP0ZnmSUtHl6xJDVvXq/gE5/csdWXPeypVMXX byGQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of [email protected] designates XXX.XX.X.180 as permitted sender) [email protected] Return-Path: <[email protected]> Received: from mail.DOMAIN.de (mail.DOMAIN.de. [XXX.XX.X.180]) by mx.google.com with ESMTPS id w34si11726441wrc.389.2017.06.26.06.13.42 for <[email protected]> (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 26 Jun 2017 06:13:43 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of [email protected] designates XXX.XX.X.180 as permitted sender) client-ip=XXX.XX.X.180; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of [email protected] designates XXX.XX.X.180 as permitted sender) [email protected] Received: from [127.0.0.1] (localhost [127.0.0.1]) by mail.DOMAIN.de (Postfix) with ESMTP id 75E1A61029 for <[email protected]>; Mon, 26 Jun 2017 15:13:40 +0200 (CEST) X-Fuglu-Suspect: 83acc7dd2821431f80c1537e1036333b X-Fuglu-Spamstatus: NO X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail.DOMAIN.de X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED autolearn=ham autolearn_force=no Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: [email protected]) by mail.DOMAIN.de (Postfix) with ESMTPSA for <[email protected]>; Mon, 26 Jun 2017 15:13:40 +0200 (CEST) 如果我发送邮件到gmail它去垃圾邮件，在GMX.de不在垃圾邮件…但为什么在垃圾邮件与Gmail？
感谢帮助！
Google Postmaster服务的其他设置可以更快地解决您的问题。 https://postmaster.google.com/
Br Gary