Os Acentos Não Vem Corretamente No E-mail...

<?  
/******************************************************
**
**   PHP Mailer 2.0   
**
**   This script is easy to configure. Just change the variables below to
**	suit your environment and PHP does the rest!
**
**   http://www.bigjolt.com
**   
*******************************************************/

/******************************************************* 

Enter your site details below!

*******************************************************/

// Enter your contact email address here
$adminaddress = "johan@gmail.com";

// Enter the address of your website here include http://www. 
$siteaddress ="http://www.jumpbrazil.com.br"; 

// Enter your company name or site name here 
$sitename = "JUMP"; 

/*******************************************************

No need to change anything below ... 

*******************************************************/

// Gets the date and time from your server
$date = date("D/M/Y H:i:s");

// Gets the IP Address
if ($REMOTE_ADDR == "") $ip = "no ip";
else $ip = getHostByAddr($REMOTE_ADDR);

//Process the form data!
// and send the information collected in the Flash form to Your nominated email address
if ($action != ""): 

$headers  = "MIME-Version: 1.0\n";
$headers .= "From: $adminaddress <$adminaddress>\n";
$headers .= "Return-Path: <$adminaddress>\n";
$headers .= "Content-type: text/html; charset=iso-8859-15\n";

mail("$adminaddress","Formulário do website JUMPBRASIL", 
"Um visitante preencheu o formulário de cadastro do website da $sitename e deixou as seguintes informações:\n
Nome: $nome 
e-mail: $email
Cidade: $cidade
Estado: $uf
Telefone: $telefone
Mensagem: $mensagem
Date/Time:  $date","$headers"); 

//This sends a confirmation to your visitor
mail("$email","Obrigado pelo seu contato.", 
"$nome,\n
Obrigado pela sua visita no webite da $sitename!\n
Entraremos em contato o mais breve possivel.

Atenciosamente
$sitename
$siteaddress","$headers"); 

//Confirmation is sent back to the Flash form that the process is complete
$sendresult = "Obrigado pela sua visita ao site da <a href = \"$siteaddress\" target = \"_blank\"><u>$sitename</u></a>.";
$send_answer = "answer=";
$send_answer .= rawurlencode($sendresult);
echo "$send_answer";
endif;
?>

$headers .= "Content-type: text/html; charset=iso-8859-15\n";

$headers .= "Content-type: text/html; charset=UTF-8\n";

Ta usando esse formail junto com flash???
Não sei oq pode tar dando errado pq seu cabeçalho esta correto