<?php
include_once('conn.php');
$activationKey = mt_rand() . mt_rand() . mt_rand() . mt_rand() . mt_rand();
$username = mysql_real_escape_string($_POST[username]);
$password = mysql_real_escape_string($_POST[pwd]);
$email = mysql_real_escape_string($_POST[email]);
$sql="INSERT INTO users (username, password, email, activationkey, status) VALUES
('$username', '$password', '$email', '$activationKey', 'verify')";
echo "An email has been sent to $_POST[email] with an activation key. Please check your mail to complete registration.";
//Send activation Email
$to = $_POST[email];
echo $to;
$subject = " hajin.com Registration";
$message = "Welcome to our website!\r\rYou, or someone using your email address, has completed registration at hajin.com. You can complete registration by clicking the following link:\rhttp.//www.YOURWEBSITE.com/verify.php?$activationKey\r\rIf this is an error, ignore this email and you will be removed from our mailing list.\r\rRegards,\ hajin.com Team";
$headers = 'From: bigboylike@ sina.com' . "\r\n" .
'Reply-To: bigboylike@sina.com' . "\r\n" .
'X-Mailer: PHP/' . phpversion();
mail($to, $subject, $message, $headers);
?>
提示错误 Warning: mail() [function.mail]: SMTP server response: 503 5.5.2 Need Rcpt command. in E:\WEB\goo\yx.php on line 20
php
email
------解决方案--------------------
必须要自动登录，PHPMAILER 当然是备选方案之一
------解决方案--------------------
不能为实现功能而实现，还是多了解一下相关的知识吧，要不然永远也就只能停留在哪个层面。