我在我的 Debian vserver 上使用 mailcow 设置了一个邮件服务器。主机和邮件名称是 mail.DOMAIN.de。我还设置了 DNS 记录，如 MX 和 SPF。您可以在此处查看我的所有记录：
邮件标题中没有任何引人注目的内容：
Delivered-To: [email protected]
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，它会被归为垃圾邮件，而在 GMX.de 不会归为垃圾邮件... 但为什么 Gmail 会被归为垃圾邮件呢？
答案1
Google Postmaster 服务中的额外设置可以更快地解决您的问题。 https://postmaster.google.com/
加里