<?php
$to = "andresdroid@gmail.com";
$subject = "Testing";
$message = 'Test';
$from = "test <test@test.net>";
$reply = "test@test.net";

$headers  = "From: $from\r\n";
$headers  = "Reply-To: $reply\r\n";
$headers  = "Return-Path: $reply\r\n";
$headers  = "Envelope-from: $reply\r\n";
$headers .= "MIME-Version: 1.0\r\n";
$headers .= "Content-Type: text/html; charset=ISO-8859-1\r\n";
mail($to,$subject,$message,$headers,"-f $reply");
?>