neodesílá se mi formulář

<?php

header ('Content-type: text/html; charset=utf-8');  

    $url = 'http://www.cleankeys.eu/kontakt.html';
        $name.=$_POST["name"];   
     $company.=$_POST["company"];
     $city.=$_POST["city"];      
     $state.=$_POST["state"];    
     $zip.=$_POST["zip"];  
    $email.=$_POST["email"];  
     $phone.=$_POST["phone"];  
     $industry.=$_POST["industry"];      
     $message.=$_POST["message"];    

    $mail = "
Jméno:
$name
----------------------------------------------------------------------------------------
Firma:
$company
----------------------------------------------------------------------------------------
Město:
$city
----------------------------------------------------------------------------------------
Stát:
$state
----------------------------------------------------------------------------------------
ZIP:
$zip
----------------------------------------------------------------------------------------
e-mail:
$mail
----------------------------------------------------------------------------------------
Phone:
$phone
----------------------------------------------------------------------------------------
Industry:
$industry
----------------------------------------------------------------------------------------
Message:
$message
";
                
    
                $hlavicka = 'From: <noreply@cleankeys.eu>'."\n".
                                    'MIME-Version: 1.0'."\n".
                                    'Content-transfer-encoding: 8bit'."\n".
                                    'X-Mailer: PunBB Mailer'."\n".
                                    'Content-Type: text/plain; charset=utf-8';        
                @mail("info@cleankeys.eu", "Zpráva z webu", $mail, $hlavicka);
        echo "<meta http-equiv='refresh' content='0;url=http://www.cleankeys.eu/kontakt.html>";

?>