使用PHP邮件发送2封电子邮件失败 [英] Sending 2 emails with PHP mailer fails

问题描述

我对此感到困惑。

  // SMTP服务器详细信息
 $ mail-> IsSMTP（）; 
 $ mail-> Host =mail.hostserver.com; 
 $ mail-> SMTPAuth = false; 
 $ mail->用户名= $ myEmail; // SMTP usr 
 $ mail-> Password =****; // SMTP pass 
 $ mail-> SMTPKeepAlive = true; 
 $ mail-> From = $ patrickEmail; 
 $ mail-> FromName =***; 
 $ mail-> AddAddress（$ email，$ firstName。$ lastName）; 
 $ mail-> WordWrap = 50; 
 $ mail-> IsHTML（true）; 
 $ mail-> Subject = $ client_subject; 
 $ mail-> Body = $ client_msg; 
 
 if（$ mail-> Send（））
 {
 
 $ mail-> ClearAllRecipients（）; 
 $ mail-> ClearReplyTos（）; 
 $ mail-> ClearCustomHeaders（）; 
 ... 
 $ mail-> From =DO_NOT_REPLY @ ...; 
 $ mail-> FromName =****; 
 $ mail-> AddAddress（$ ToEmail1，***）; //至：（收件人）。 
 $ mail-> AddAddress（$ ToEmail2，***）; //至：（收件人）。 
 $ mail-> WordWrap = 50; 
 $ mail-> IsHTML（true）; 
 $ mail-> Subject = $ notification_subject; 
 $ mail-> Body = $ notification_msg; 
 if（$ mail-> Send（））
 {
 ... 
  

第一封电子邮件发送正常。第二个没有。可能是这种行为的原因？我错过了某种重置？

---

更新：使用不同的邮件服务器似乎工作，显然这是一个该特定邮件服务器导致问题。任何想法可能是什么？

解决方案

一些提供商对特定时间段内可以发送的消息数量施加限制。要确定您的问题是否取决于提供商速率限制，您应该尝试在第一次发送后添加暂停。例如：

  if（$ mail-> Send（））{
 sleep（10） ; // Seconds 
 ... 
 if（$ mail-> Send（））{
 ... 
} 
} 
  

然后，逐渐降低睡眠时间，您应该可以确定哪个速率限制。

I am rather puzzled with this one.

//SMTP servers details
$mail->IsSMTP(); 
$mail->Host = "mail.hostserver.com";  
$mail->SMTPAuth = false;     
$mail->Username = $myEmail;  // SMTP usr
$mail->Password = "****";    // SMTP pass
$mail->SMTPKeepAlive = true;   
$mail->From = $patrickEmail; 
$mail->FromName = "***";    
$mail->AddAddress($email, $firstName . " " . $lastName); 
$mail->WordWrap = 50;                                 
$mail->IsHTML(true);                                  
$mail->Subject = $client_subject;
$mail->Body    = $client_msg;

if($mail->Send())
{

$mail->ClearAllRecipients(); 
$mail->ClearReplyTos();
$mail->ClearCustomHeaders();
...
$mail->From = "DO_NOT_REPLY@..."; 
$mail->FromName = "****";    
$mail->AddAddress($ToEmail1, "***"); //To: (recipients).
$mail->AddAddress($ToEmail2, "***"); //To: (recipients).
$mail->WordWrap = 50;            
$mail->IsHTML(true);             
$mail->Subject = $notification_subject;
$mail->Body    = $notification_msg;
if($mail->Send())
{
...

The first email sends fine. The second one doesn't. What could be the reason for that behavior? Am I missing some kind of reset?

---

Update: using a different mail server seems to work so apparently it's a setting of that specific mail server causing problems. Any idea what that could be?

解决方案

Some providers impose restrictions on the number of messages that can be sent within a specific time span. To determine if your problem depends by a provider "rate limit", you should try to add a pause after the first send. For example:

if ($mail->Send()) {
    sleep(10);  // Seconds
    ...
    if ($mail->Send()) {
        ...
    }
}

Then, by progressively lowering the sleep time, you should be able to determine which is the rate limit.

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