phpmailer 不发送电子邮件到 gmail、yahoo、hotmail 或者这些阻止 phpmailer 发送的电子邮件

Question

我正在使用 PHPmailer 发送电子邮件

这是我使用过的代码：

        $mail = new PHPMailer(); 

        $subject = "test";
        $to = "test_patel@yahoo.com"
        $mail->SetFrom("PDSociety@aol.com","Punjab Dental Society");
        $mail->AddReplyTo("PDSociety@aol.com", "Punjab Dental Society");
        $mail->Subject = $subject;
        $mail->MsgHTML($str);
        $mail->AddAddress($to, "Punjab Dental Society");    
        if(!$mail->Send()) 
        {
          $err = "Mailer Error: " . $mail->ErrorInfo;
          //echo $err;
        } else {
          $msg = "Message sent!";
        }
        // Clear all addresses and attachments for next loop
        $mail->ClearAddresses();

如果我将电子邮件地址从 yahoo 更改为 gmail 或 hotmail，仍然无法发送电子邮件。

我通过回显错误进行了检查，但没有错误。

谁能解释一下这是什么问题？

Answer 1

您是否看过此处的 post：Using PHPMailer Results in many blocked emails？提问者通过更改电子邮件主题解决了问题：

Well I solved the issue; the code above was not the problem and works great.

In my subject, I used a phrase regarding "verify your account information" and that got it blocked on a few ISP's.

So the lesson is, your subject matters. I was looking at my php code and my body content before I realized this.

电子邮件的内容及其主题可以使 ISP 禁止它。您可以尝试从收件箱中提取其中一封收到的电子邮件的内容，看看是否通过。

Answer 2

试试这个：

$mail = new PHPMailer(true);      // the true param means it will throw exceptions on errors, which we need to catch

        $mail->IsSMTP();            // telling the class to use SMTP
        try {
            $mail->AddAddress($to['email'],$to['name']);
            $mail->FromName = '';

            $mail->Subject = $subject;
            $mail->MsgHTML($message);


            $send = true;
            return $mail->Send();

        } catch (phpmailerException $e) {
        echo    $e->errorMessage(); //Pretty error messages from PHPMailer
        } catch (Exception $e) {
            $e->getMessage(); //Boring error messages from anything else!
        }

如果有任何异常错误，它会帮助你。

Answer 3

PHPMailer 只涉及将邮件提交到您自己的邮件服务器，您在那里没有任何问题。之后，您的邮件服务器将负责发送它，因此您将在邮件服务器的日志中找到答案。

没有简单的方法可以确保邮件最终进入收件箱而不是垃圾邮件 - 如果有，垃圾邮件发送者就会使用它并且过滤将毫无用处。确保你的 DNS 能够前后解析，你有有效的 SPF 记录，你用 DKIM 签署你的消息（对雅虎来说尤其重要），最重要的是，你不会发送你的收件人认为是垃圾邮件的消息。

Answer 4

尝试各种方法后，我发现以下代码适用于几乎所有电子邮件提供商

$to['email'] = "recipients email address";      
$to['name'] = "name";   
$subject = "email subject";
$str = "<p>Hello, World</p>";
$mail = new PHPMailer;
$mail->IsSMTP();                                     
$mail->SMTPAuth = true;
$mail->Host = 'Specify main and backup server here';
$mail->Port = 465;
$mail->Username = 'xyz@domainname.com';
$mail->Password = 'email account password';
$mail->SMTPSecure = 'ssl';
$mail->From = 'From Email Address';
$mail->FromName = "Any Name";
$mail->AddReplyTo('xyz@domainname.com', 'any name'); 
$mail->AddAddress($to['email'],$to['name']);
$mail->Priority = 1;
$mail->AddCustomHeader("X-MSMail-Priority: High");
$mail->WordWrap = 50;    
$mail->IsHTML(true);  
$mail->Subject = $subject;
$mail->Body    = $str;
if(!$mail->Send()) {
$err = 'Message could not be sent.';
$err .= 'Mailer Error: ' . $mail->ErrorInfo;                        
}

$mail->ClearAddresses();

需要相应地更改变量值。希望这些可以帮助遇到 PHPmailer 问题的人

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