我正在使用以下脚本，该脚本使用xampp在我的本地服务器上运行但不适用于godaddy。你能明白为什么会这样吗？
当使用不包含文件上传的类似表单时，表单成功发送到我的电子邮件收件箱时，我不会遇到任何问题。
<?php
//Email address and subject variables
$to = 'mike987689@outlook.com';
$subject = 'New Application';
//Form variables
$title = $_POST['title'];
$firstname = $_POST['firstname'];
$surname = $_POST['surname'];
$middlename = $_POST['middlename'];
$address1 = $_POST['address1'];
$address2 = $_POST['address2'];
$address3 = $_POST['address3'];
$town = $_POST['town'];
$postcode = $_POST['postcode'];
$dateofbirth = $_POST['dateofbirth'];
$gender = $_POST ['gender'];
$email = $_POST['email'];
$confirmemail = $_POST['confirmemail'];
$telephone = $_POST['telephone'];
$height = $_POST['height'];
$eyecolour = $_POST['eyecolour'];
$haircolour = $_POST['haircolour'];
$hairlength = $_POST['hairlength'];
$cosmetic = $_POST['cosmetic'];
//Message to be sent
$message = <<<EOD
Title: $title
First Name: $firstname
Surname: $surname
Middle Name(s): $middlename
Address Line 1: $address1
Address Line 2: $address2
Address Line 3: $address3
Town / City: $town
Postcode: $postcode
Date of Birth: $dateofbirth
Gender: $gender
Email: $email
Telephone: $telephone
Height: $height
Eye Colour: $eyecolour
Hair Colour: $haircolour
Hair Length: $hairlength
Cosmetics: $cosmetic
EOD;
/* GET File Variables */
$tmpName = $_FILES['attachment']['tmp_name'];
$fileType = $_FILES['attachment']['type'];
$fileName = $_FILES['attachment']['name'];
/* Start of headers */
$headers = "From: $email";
if (file($tmpName)) {
/* Reading file ('rb' = read binary) */
$file = fopen($tmpName,'rb');
$data = fread($file,filesize($tmpName));
fclose($file);
/* a boundary string */
$randomVal = md5(time());
$mimeBoundary = "==Multipart_Boundary_x{$randomVal}x";
/* Header for File Attachment */
$headers .= "\nMIME-Version: 1.0\n";
$headers .= "Content-Type: multipart/mixed;\n" ;
$headers .= " boundary=\"{$mimeBoundary}\"";
/* Multipart Boundary above message */
$message = "This is a multi-part message in MIME format.\n\n" .
"--{$mimeBoundary}\n" .
"Content-Type: text/plain; charset=\"iso-8859-1\"\n" .
"Content-Transfer-Encoding: 7bit\n\n" .
$message . "\n\n";
/* Encoding file data */
$data = chunk_split(base64_encode($data));
/* Adding attachment-file to message*/
$message .= "--{$mimeBoundary}\n" .
"Content-Type: {$fileType};\n" .
" name=\"{$fileName}\"\n" .
"Content-Transfer-Encoding: base64\n\n" .
$data . "\n\n" .
"--{$mimeBoundary}--\n";
}
/* Results rendered as html */
$theResults = <<<EOD
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
<title>Reflex Media</title>
<!-- Bootstrap -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<link rel="stylesheet" href="mycss.css">
<link rel='shortcut icon' type='image/x-icon' href='/favicon.ico'/>
<!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesnt work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
<![endif]-->
</head>
<!-- NAVBAR
================================================== -->
<body>
<div class="navbar-wrapper">
<div class="container">
<nav class="navbar navbar-inverse navbar-static-top">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar" aria-expanded="false" aria-controls="navbar">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="index.html">Alexa Media</a>
</div><!--navbar-header-->
<div id="navbar" class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li><a href="/">Home</a></li>
<li><a href="http://www.alexamedia.co.uk/about" title="about">About</a></li>
<li><a href="http://www.alexamedia.co.uk/contact" title="contact">Contact</a></li>
<li class="active"><a href="http://www.alexamedia.co.uk/apply" title="apply">Apply</a></li>
</ul>
</div><!--navbar-->
</div><!--container-->
</nav><!--nav-->
</div><!--container-->
</div><!--navbar-wrapper-->
<div class="container-fluid" id="header-top">
<div class="container">
<h1>Thanks for your application!</h1>
<h3>We will be in touch very soon.</h3>
</div><!--container-->
</div><!--header-top-->
<!-- Marketing messaging and featurettes
================================================== -->
<!-- Wrap the rest of the page in another container to center all the content. -->
<div class="container" id="middle">
<div id="faqs">
</div>
<!-- FOOTER -->
<footer>
<p class="pull-right"><a href="#">Back to top</a></p>
<p>© 2015 Alexa Media</p>
</footer>
</div><!-- /.container -->
<!-- Bootstrap core JavaScript
================================================== -->
<!-- Placed at the end of the document so the pages load faster -->
<script src="./files/jquery.min.js"></script>
<script src="./files/bootstrap.min.js"></script>
<!-- Just to make our placeholder images work. Dont actually copy the next line! -->
<script src="./files/holder.js"></script>
<!-- IE10 viewport hack for Surface/desktop Windows 8 bug -->
<script src="./files/ie10-viewport-bug-workaround.js"></script>
<svg xmlns="http://www.w3.org/2000/svg" width="500" height="500" viewBox="0 0 500 500" preserveAspectRatio="none" style="visibility: hidden; position: absolute; top: -100%; left: -100%;">
<defs></defs>
<text x="0" y="23" style="font-weight:bold;font-size:23pt;font-family:Arial, Helvetica, Open Sans, sans-serif;dominant-baseline:middle">500x500
</text>
</svg>
<div id="pAdId-80948329646">
<script type="text/javascript" src="./files/ajs.php"></script>
</div>
</body>
</html>
EOD;
$flgchk = mail ("$to", "$subject", "$message", "$headers");
if($flgchk){
echo "$theResults";
}
else{
echo "Error in Email sending";
}
?>