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[dreamer86]

Prova cosi

<?php 
$what3 = "http://www.miosito.it/contacts.php?msg=Please fill the mandatory fields, thank you&name=".$_REQUEST['Name']."&company=".$_REQUEST['Company']."&email=".$_REQUEST['Email']."&phone=".$_REQUEST['Phone']."&country=".$_REQUEST['Country']."&notes=".$_POST['Notes'];
$what3 = trim($what3); 
$what3 = rawurlencode($what3);
header("Location: $what3");
?>