mon code est le suivant :
<?
$header="From:".$host."\n";
$header.="X-Mailer:PHP\n";
$header.="X-Priority:1\n";
$header.="MIME-version:1.0\n";
$header.="Content-Type:text/html; charset=iso-8859-1";
$toaddress =$mailres;
$subject = $sujet;
$mailcontent="
<table width='200' border='1' cellpadding='0' cellspacing='0' bordercolor='#999999'>
<tr>
<td>
<table width='500' border='0' cellspacing='0' cellpadding='0' align='center'>
<tr>
<td class='Style14'>Sent By:</td>
<td><span class='Style13'>".$host."</span></td>
</tr>
<tr>
<td bgcolor='#eeeeee'><strong>Message Subject:</strong></td>
<td bgcolor='#eeeeee'><span class='Style8'>".$sujet."</span></td>
</tr>
<tr>
<td><strong>Message:</strong></td>
</tr>
<tr>
<td colspan='2'><span class='Style8'>".$lettre."</span></td>
</tr>
</table>
</td>
</tr>
</table>";
if(@ mail($toaddress,$subject,$mailcontent,$header)){
echo "<table width='369' border='0' cellspacing='0' cellpadding='0' align='center'>
<tr>
<td height='20' valign='middle' colspan='2' bgcolor='#cccccc'><strong></strong><div align='center' class='Style6'>
<h4 class='Style7 Style15'><span align='center'>votre message est envoyer</span></h4>
</div> </td>
</tr>
<tr>
<td width='159' bgcolor='#eeeeee'><span class='Style14'>Message Destination:</span></td>
<td width='210' bgcolor='#eeeeee'><span class='Style8'>".$mailres."</span></td>
</tr>
<tr>
<td class='Style14'>Sent By:</td>
<td><span class='Style13'>".$host."</span></td>
</tr>
<tr>
<td bgcolor='#eeeeee'><span class='Style14'>Message Subject:</span></td>
<td bgcolor='#eeeeee'><span class='Style8'>".$sujet."</span></td>
</tr>
<tr>
<td><span class='Style14'>Message:</span></td>
</tr>
<tr>
<td colspan='2' bgcolor='#eeeeee'><span class='Style8'>".$lettre."</span></td>
</tr>
</table>
";
}
else echo "Warning Your Email was not sent";
?>