<?php
//mail formulier voor bijlage
$email ='my@email.com';
//geneer boundary
DEFINE('bound',md5(uniqid(time())));
//check request method

    if($_SERVER['REQUEST_METHOD'] == 
'POST')
    {
         //if file upload send with email as mixed
         if(!empty($_FILES['file']['name']))
         {
            //check filesize
             if($_FILES['file']['size'] < 1024*50)
             {
                  $headers = "From: ".$_POST['from']
." <".$_POST['email'].">\r\n";
                $headers .= "Reply-To: ".$_POST
['from']." <".$_POST['email'].">\r\n";
                   $headers .= "MIME-Version: 1.0\r\n";
                   //email exist out of more parts, some 
thing (can't say it in english) show's php it's multipart
                   $headers .= "Content-Type: multipart/
mixed; boundary=\"".bound."\"\r\n";
                   //we send the attachment
                   $headers .= "Content-Disposition:  
attachment\r\n";
                   //readfile
                   $fp = fopen($_FILES['file']
['tmp_name'],'r');
                   $bestand = fread($fp,$_FILES['file']
['size']);
                   fclose($fp);
                   //create body
                   //generating a body. Dit is some multi 
part bull****
                   $body.= "This is a multi-part message 
in MIME format.\r\n";
                   $body.= "\r\n";
                //boundary
                $body.= "--".bound."\r\n";
                //content type + charater set (iso in this 
case)
                $body.= "Content-Type: text/plain; 
charset=iso-8859-1\r\n";
                //coding (7 bit)
                $body.= "Content-Transfer-Encoding: 
7bit\r\n";
                $body.= "\r\n";
                //the message
                $body.= $_POST['bericht'] ."\r\n";
                //boundary
                $body.= "--".bound."\r\n";
                //content typ + name file (database.sql)
                $body .= "Content-Type: application/
octet-stream; name=".$_FILES['file']['name']."\r\n";
                //coding
                $body .= "Content-Transfer-Encoding: 
base64\r\n";
                //add the attachment
                $body.= "Content-disposition: 
attachment\r\n";
                $body .= "\n";
                //the content of the file
                $body .= chunk_split(base64_encode($
bestand )) . "\r\n";
                mail($email,$_POST['subject'],$body,$
headers);
                echo 'Email (With attachment) is send';
            }
            else
            {
                 echo 'File is too large';
             }
        }
        else
        {
            $headers = "From: ".$_POST['from']." 
<".$_POST['email'].">\r\n";
               $headers .= "Reply-To: ".$_POST
['from']." <".$_POST['email'].">\r\n";
               $headers .= "MIME-Version: 1.0\r\n";
               $bericht = $_POST['bericht'];
               mail($email,$_POST['subject'],$bericht,$
headers);
               echo 'Email (Without attachement) is 
send';
         }
     }
     else
     {
        //mailform

        echo "<form action=\"" . $_SERVER
['PHP_SELF'] . "\" method=\"POST\" 
enctype=\"multipart/form-data\">";
         echo "Name: <input type='text' 
name='from'><br>";
         echo "Email:<input type='text' 
name='email'><br>";
         echo "Subject:<input type='text' 
name='subject'><br>";
         echo "File:<input type='file' 
name='file'><br>";
         echo "Message:<textarea name='bericht'></
textarea><br />";
        echo "<input type=\"submit\" 
value=\"Send\">";
    }
?>