使用phpmailer发送批量邮件

<?php
require 'phpmailer/PHPMailerAutoload.php';

$mail = new PHPMailer;
$mail->isSMTP();
$mail->Host = 'smtp.example.com';
$mail->SMTPAuth = true;
$mail->Username = 'username@example.com';
$mail->Password = 'password';
$mail->SMTPSecure = 'tls';
$mail->Port = 587;

$mail->setFrom('from@example.com', 'Mailer');
$mail->addReplyTo('replyto@example.com', 'ReplyTo');

// 添加收件人
$recipients = array('recipient1@example.com', 'recipient2@example.com');
foreach ($recipients as $recipient) {
    $mail->addAddress($recipient);
}

$mail->isHTML(true);
$mail->Subject = 'Subject';
$mail->Body = 'Body';

if (!$mail->send()) {
    echo 'Mailer Error: ' . $mail->ErrorInfo;
} else {
    echo 'Message sent!';
}