Linux服务器下PHPMailer发送邮件失败的问题解决

<?php header("content-type:text/html;charset=utf-8"); require 'PHPMailer/class.phpmailer.php'; try { $mail = new PHPMailer(true); $mail->IsSMTP();
$mail->CharSet='UTF-8';
$mail->SMTPAuth = true;
$mail->SMTPSecure = 'ssl';
$mail->Port = 465;
$mail->Host = 'smtp.mxhichina.com';//邮箱smtp地址
$mail->Username = 'gzp@gzpblog.com';//你的邮箱账号
$mail->Password = '扒拉扒拉。。。';//你的邮箱密码
$mail->From = 'gzp@gzpblog.com';//你的邮箱账号
$mail->FromName = '锅子';
$to = "扒拉扒拉@qq.com";
$mail->AddAddress($to);
$mail->Subject = "test";
$mail->Body = 'hello!';
$mail->WordWrap = 80;
//$mail->AddAttachment("f:/test.png"); //可以添加附件
$mail->IsHTML(true);
$mail->Send();
echo "success!";
} catch (phpmailerException $e) {
echo "邮件发送失败：".$e->errorMessage(); //测试的时候可以去掉此行的注释
}

$mail->Port = 465;

$mail->SMTPSecure = 'ssl';
$mail->Port = 465;