<?php
if($_POST['button']){
if($_POST['mail']){
$mail = htmlentities($_POST['mail']);
$link = mysql_connect ("localhost","root","***");
mysql_select_db("bd",$link);
$queEmp = "SELECT * FROM tabla WHERE email='$mail'";
$resEmp = mysql_query($queEmp, $link) or die(mysql_error());
$totEmp = mysql_num_rows($resEmp);
if($totEmp == 0){
echo "El mail ingresado no existe";
exit();
}
$row = mysql_fetch_assoc($resEmp);
$hash = md5(md5($row['username']).md5($row['password']));
$headers .= "<noresponder@micorreo.in>\r\n";
$message = "Para recuperar tu contrasenia dar click en la url de abajo.
http://midominio.in/nueva/?id=".$hash."&mail=".$mail."";
if (mail($mail,"Recuperar password",$message,$headers)){
$msg = "Se te envio un link a tu mail para cambiar la password";
echo $msg;
}
}
} ?>