php怎么发送qq邮箱

<?php
require 'vendor/autoload.php';

use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;

$mail = new PHPMailer(true);

try {
    // 服务器设置
    $mail->SMTPDebug = 0;                      // 开启调试模式
    $mail->isSMTP();                                            // 发送SMTP请求
    $mail->Host       = 'smtp.qq.com';                       // SMTP服务器地址
    $mail->SMTPAuth   = true;                                   // 启用SMTP认证
    $mail->Username   = 'your-qq-email@qq.com';               // SMTP用户名
    $mail->Password   = 'your-qq-email-auth-code';            // SMTP密码（授权码）
    $mail->SMTPSecure = 'ssl';                                  // 启用TLS加密
    $mail->Port       = 465;                                    // SMTP端口

    // 发件人
    $mail->setFrom('your-qq-email@qq.com', 'Your Name');

    // 收件人
    $mail->addAddress('recipient@example.com', 'Recipient Name');

    // 邮件内容
    $mail->isHTML(true);                                  // 设置邮件格式为HTML
    $mail->Subject = 'Here is the subject';
    $mail->Body    = 'This is the HTML message body <b>in bold!</b>';
    $mail->AltBody = 'This is the body in plain text for non-HTML mail clients';

    $mail->send();
    echo 'Message has been sent';
} catch (Exception $e) {
    echo "Message could not be sent. Mailer Error: {$mail->ErrorInfo}";
}
?>