Php mail function

$mail_to="mukesh@gmail.com";
$sub="Contact Information";
$msg="































 

Contact Information
Name	". $_REQUEST['name']."
E-Mail	".$_REQUEST['email']."
Message	".$_REQUEST['message']."

";
  $headers = "MIME-Version: 1.0" . "\r\n";
  $headers .= "Content-type:text/html;charset=iso-8859-1" . "\r\n";
  $headers .="From: ".$_REQUEST['email'];

 ini_set("SMTP","gmail.com");
 ini_set("smtp_port","25");


mail($mail_to,$sub,$msg,$headers);


print("");
//info@essveecollection.com
 ?>