function mailuser($address) {

# To Email Address
$eol = "\r\n";
$emailaddress = $address;
# Message Subject
$emailsubject = "Welcome to the Young Inventors Hub Mailing List!";
# Message Body
ob_start();
# Open File with Message body!
require("includes/mailinglist_message.html");
$body=ob_get_contents(); ob_end_clean();

# Common Headers
$headers .= 'From: Young Inventors Hub <info@younginventorshub.com>'.$eol;
$headers .= 'Reply-To: Young Inventors Hub <info@younginventorshub.com>'.$eol;
$headers .= 'Return-Path: Young Inventors Hub <info@younginventorshub.com>'.$eol;    // these two to set reply address
$headers .= "Message-ID: <".$now." info@".$_SERVER['SERVER_NAME'].">".$eol;
$headers .= "X-Mailer: PHP v".phpversion().$eol;
$mime_boundary=md5(time());
$headers .= 'MIME-Version: 1.0'.$eol;
$headers .= "Content-Type: multipart/related; boundary=\"".$mime_boundary."\"".$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,'info@younginventorshub.com');  // the INI lines are to force the From Address to be used !
  mail($emailaddress, $emailsubject, $msg, $headers);
ini_restore(sendmail_from);

}