ช่วยหน่อยคะ ต้องการเพิ่มเนื้อหาใน อีเมล ทำยังไงคะ ใช้ fpdf คะตอนนี้

ob_start();
include_once ("emailbody.php");    // i made a simple & pretty page for showing in the email
$body=ob_get_contents(); 

ob_end_clean();

# Common Headers
$headers .= 'From: [email protected] <[email protected]>'.$eol;
$headers .= 'Reply-To: Me <[email protected]>'.$eol;
$headers .= 'Return-Path: Me <[email protected]>'.$eol;    // these two to set reply address
$headers .= "Message-ID: <".$now." TheSystem@".$_SERVER['SERVER_NAME'].">".$eol;
$headers .= "X-Mailer: PHP v".phpversion().$eol;          // These two to help avoid spam-filters
# Boundry for marking the split & Multitype Headers
$mime_boundary=md5(time());
$headers .= 'MIME-Version: 1.0'.$eol;
$headers .= "Content-Type: multipart/related; boundary=\"".$mime_boundary."\"".$eol;
$msg = "";

# Attachment
$msg .= "--".$mime_boundary.$eol;
$msg .= "Content-Type: application/pdf; name=\"".$letter."\"".$eol;  // sometimes i have to send MS Word, use 'msword' instead of 'pdf'
$msg .= "Content-Transfer-Encoding: base64".$eol;
$msg .= "Content-Disposition: attachment; filename=\"".$letter."\"".$eol.$eol; // !! This line needs TWO end of lines !! IMPORTANT !!
$msg .= $f_contents.$eol.$eol;
# Setup for text OR html
$msg .= "Content-Type: multipart/alternative".$eol;

# Text Version
$msg .= "--".$mime_boundary.$eol;
$msg .= "Content-Type: text/plain; charset=iso-8859-1".$eol;
$msg .= "Content-Transfer-Encoding: 8bit".$eol;
$msg .= "This is a multi-part message in MIME format.".$eol;
$msg .= "If you are reading this, please update your email-reading-software.".$eol;
$msg .= "+ + Text Only Email from Genius Jon + +".$eol.$eol;

# HTML Version
$msg .= "--".$mime_boundary.$eol;
$msg .= "Content-Type: text/html; charset=iso-8859-1".$eol;
$msg .= "Content-Transfer-Encoding: 8bit".$eol;
$msg .= $body.$eol.$eol;

# Finished
$msg .= "--".$mime_boundary."--".$eol.$eol;  // finish with two eol's for better security. see Injection.



# SEND THE EMAIL
ini_set(sendmail_from,'[email protected]');  // the INI lines are to force the From Address to be used !
mail($emailaddress, $emailsubject,$msg, $headers);
ini_restore(sendmail_from);

$headers .= "Content-Type: multipart/related; boundary=\"".$mime_boundary."\"".$eol;
$msg = "<-- ข้อความ -->";