<?php
$email= htmlspecialchars($_POST); 
$subject = htmlspecialchars($_POST); 
$message = htmlspecialchars($_POST); 
$sender = htmlspecialchars($_POST); 
$phone = htmlspecialchars($_POST); 
if($sender == '' || $phone == '' || $email =='')
{
 echo("Missing details");
}
elseif ($sender == $phone || $sender == $email || $message == $sender)
{
 echo("Cant write the same at 2 boxes");
}
 else
 {
   mail('[email protected]', $subject, $message, "From: $email / $sender / $phone"); 
   echo("<h3 align=center COLOR=black >Your Messege has been sent</h3>"); 
 }
?>