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我正在为我的大学网站工作。我写了一个 php 脚本，使用php mail function. 但问题是，我发送的所有电子邮件都进入了收件人的垃圾邮件/垃圾文件夹。

为了解决它：

我尝试了stackoverflow和serverfault网站中类似问题的所有步骤和答案，例如：*正确的标题*准确的名称等，但问题仍未解决。

这是发送电子邮件的 php 代码：

<?php
$from_address="webmaster@".$_SERVER['SERVER_NAME'];
$from_name="webmaster";
$headers = "MIME-Version: 1.0\r\n"
  ."Content-Type: text/plain; charset=utf-8\r\n"
  ."Content-Transfer-Encoding: 8bit\r\n"
  ."From: =?UTF-8?B?". base64_encode($from_name) ."?= <$from_address>\r\n"
  ."X-Mailer: PHP/". phpversion();
$subject="Web Mail Testing";
$body="This is test Message";
$to="riteshkumargupta1990@gmail.com";
mail($to, $subject, $body, $headers, "-fwebmaster@{$_SERVER['SERVER_NAME']}");
echo "The Mail is  SuccessFully Sent to :".$to;
?>

我还附上了原始电子邮件（我在我的 gmail 帐户“riteshkumargupta1990@gmail.com”中收到的）

Delivered-To: riteshkumargupta1990@gmail.com
Received: by 10.204.8.210 with SMTP id i18csp146000bki;
        Wed, 21 Nov 2012 20:58:12 -0800 (PST)
Received: by 10.68.219.164 with SMTP id pp4mr1119127pbc.72.1353560291776;
        Wed, 21 Nov 2012 20:58:11 -0800 (PST)
Return-Path: <webmaster@nitw.ac.in>
Received: from www.nitw.ac.in (www.nitw.ac.in. [218.248.13.200])
        by mx.google.com with ESMTPS id sh10si3456960pbb.293.2012.11.21.20.58.10
        (version=TLSv1/SSLv3 cipher=OTHER);
        Wed, 21 Nov 2012 20:58:11 -0800 (PST)
Received-SPF: pass (google.com: best guess record for domain of webmaster@nitw.ac.in designates 218.248.13.200 as permitted sender) client-ip=218.248.13.200;
Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of webmaster@nitw.ac.in designates 218.248.13.200 as permitted sender) smtp.mail=webmaster@nitw.ac.in
Received: from www.nitw.ac.in (localhost.localdomain [127.0.0.1])
    by www.nitw.ac.in (8.13.8/8.13.8) with ESMTP id qAM50M0h016190
    for <riteshkumargupta1990@gmail.com>; Thu, 22 Nov 2012 10:30:23 +0530
Received: (from nobody@localhost)
    by www.nitw.ac.in (8.13.8/8.13.8/Submit) id qAM50McG016189;
    Thu, 22 Nov 2012 10:30:22 +0530
Date: Thu, 22 Nov 2012 10:30:22 +0530
Message-Id: <201211220500.qAM50McG016189@www.nitw.ac.in>
X-Authentication-Warning: www.nitw.ac.in: nobody set sender to webmaster@nitw.ac.in using -f
To: riteshkumargupta1990@gmail.com
Subject: Web Mail Testing
X-PHP-Originating-Script: 0:mailer.php
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
From: =?UTF-8?B?d2VibWFzdGVy?= <webmaster@nitw.ac.in>
X-Mailer: PHP/5.3.5

This is test Message

此外，在谷歌搜索时，我发现此类问题的不常见原因是server Blacklisting.

然后我使用以下工具对其进行测试：http ://www.mxtoolbox.com/SuperTool.aspx?action=mx%3anitw.ac.in#

当上述工具测试发现我的服务器在黑名单中时，我感到震惊。这是怎么回事？因为我上面附上的原始邮件说“：Received-SPF: pass (google.com: best guess record for domain of webmaster@nitw.ac.in designates 218.248.13.200 as permitted sender)

另外，如果我的服务器被列入黑名单，那么如何找到黑名单的原因以及如何解决？

UPD： 来自影子评论：“X-Authentication-Warning: www.nitw.ac.in: 没有人使用 -f 将发件人设置为 webmaster@nitw.ac.in”消息可能是原因吗？如果是，我该如何解决？

谢谢你！

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1 回答 1

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设置 SMTP 服务器是一项棘手且乏味的任务，除非您的工作是日复一日地进行。检查您的服务器 SSL 证书是否使用授权的 CA 证书正确签名。有时可能是自己的问题签名证书.,

或者您也可以尝试将 Gmail 作为您的 SMTP 服务器，它可以解决许多问题..，链接

于 2012-11-22T07:41:59.560 回答