我试图从后缀发送电子邮件到不同的提供商：Hotmail的确定，雅虎没有testing，意大利的提供商确定，GMAIL KO！
我有SPF和rDNS设置正确…这是标题：
Delivered-To: mymail@gmail.com Received: by 10.182.122.34 with SMTP id lp2csp107348obb; Thu, 16 Aug 2012 10:28:50 -0700 (PDT) Received: by 10.216.198.145 with SMTP id v17mr1084539wen.1.1345138129729; Thu, 16 Aug 2012 10:28:49 -0700 (PDT) Return-Path: <[email protected]> Received: from ispconfig.myserver.it (ispconfig.myserver.it. [*.*.*.*]) by mx.google.com with ESMTP id a27si7050105wej.31.2012.08.16.10.28.48; Thu, 16 Aug 2012 10:28:49 -0700 (PDT) Received-SPF: pass (google.com: domain of [email protected] designates *.*.*.* as permitted sender) client-ip=*.*.*.*; Authentication-Results: mx.google.com; spf=pass (google.com: domain of [email protected] designates *.*.*.* as permitted sender) [email protected] Received: from localhost (localhost [127.0.0.1]) by ispconfig.myserver.it (Postfix) with ESMTP id 6A92076716 for <[email protected]>; Thu, 16 Aug 2012 19:28:48 +0200 (CEST) To: =?utf-8?B?U2VyZ2lvIEJlbGxpbmk=?= <[email protected]> Subject: =?utf-8?B?TXVyYWxlc3RvcmUuaXQgLSBDb25mZXJtYSBsJ2FjY291bnQgU2VyZ2lvIEJlbGxpbmk=?= From: Label <[email protected]> Reply-To: Label <[email protected]> Date: Thu, 16 Aug 2012 17:28:48 +0000 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline MIME-Version: 1.0 您应该在SenderScore上检查您的发送IP，并使用一些垃圾邮件分数工具检查邮件，也可以阅读由Gmail编写的Bulk Senders Guidelines 。 几乎忘了DomainKeys Identified Mail (DKIM) 。