，我从PHP 这里的邮件功能的奇怪的行为是代码：PHP的邮件功能
$header = "From: [email protected]\n";
$header .= "Reply-To: [email protected]\n";
$header .= "Content-Type: multipart/alternative; boundary=$alt_boundary\n";
$header .= "Mime-Version: 1.0\n";
$header .= "X-Mailer: PHP/".phpversion()."\n";
$header .= "Content-Type: text/plain;charset=utf-8\n";
$send = mail($to,$subject,$message,$headers);
但电子邮件我收到有一个从地址从像服务器的主要管理：user123 @ s12panelboxmanage.com
为什么？
也许是因为你设置了一个变量$ header，但是传递给mail（）变量$标头。如果不是原因，请尝试插入\ r \ n而不是\ n。
<?php
$to = '[email protected]';
$subject = 'Subject';
$message = 'This is a test';
$headers = 'From: [email protected]' . "\r\n" .
'Reply-To: [email protected]' . "\r\n" .
'X-Mailer: PHP/' . phpversion();
mail($to, $subject, $message, $headers);
?>
您应该使用邮件功能-f选项也设置（有效）发件人：
$header = 'MIME-Version: 1.0'."\n";
$header .= 'Content-type: text/'.$contentType.'; charset=iso-8859-1'."\n";
$header .= 'From: '.$from."\n";
$header .= 'Reply-To: '.$mailFrom."\n";
$header .= 'X-Mailer: PHP '.phpversion()."\n";
$header .= 'X-Sender-IP: '.$_SERVER['REMOTE_ADDR']."\n";
mail($to,$subject,$message,$header, "-f [email protected]");
什么大有赶超....从未使用s ...感谢X1000 – menardmam 2010-12-13 22:45:33