bunu kullan, gözden kaçırdığın kucuk bir nokta var sadece 4. satırda.. $_POST['send'] diye birşey yok ama sen post[send] == "ok" demişsin, bu şeklde çalışır

<? 
error_reporting(E_ALL); ini_set("display_errors", 1); 

if ($_POST['submit']) { 
$sqlayar=mysql_query("Select * from ayar"); 
$strayar=mysql_fetch_array($sqlayar); 
$mailMessage = "<br />";  
                                 
                                $mailMessage .= "<B>Adi Soyadi : $_POST[ad]</B><br /><br />"; 
                                //$mailMessage .= "Telefon :  $_POST[tel]<br />"; 
                                $mailMessage .= "tel :  $_POST[tel]<br />"; 
                                $mailMessage .= "E-Mail : $_POST[email] <br />"; 
                                $mailMessage .= "Talep Tipi : $_POST[tip] <br />"; 
                                $mailMessage .= "Mesaj :  $_POST[mesaj]<br />"; 
                                $tarih=date("d-m-Y"); 
                                $ip=$_SERVER['REMOTE_ADDR']; 
                                $mailMessage .= "Gönderilen Ip :  $ip<br />"; 
                                $mailMessage .= "Tarih:  $tarih<br />";                                                                                     
                                $sender = $strayar['gonderen']; 
                    //$bcc = "$male"; 
                    $kime= $strayar['alan']; 
                    $subject = "Iletisim"; 
                    include('htmlMimeMail.php'); 
                    $mail = new htmlMimeMail(); 
                    $mail->setFrom($sender); 
                    $mail->setBcc($bcc); 
                    $mail->setSubject($subject); 
                    $mail->setHtml($mailMessage); 
                    $mail->setHeader('X-Mailer', 'HTML Mime mail class'); 
                     
                    $result = $mail->send(array($kime), 'smtp'); 
                    if ($result) { header("Location: index.php?page=talepformu&mesaj=ok"); } 
} 

?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<title>Untitled Document</title> 
<style type="text/css"> 
<!-- 
body { 
    margin-left: 0px; 
    margin-top: 0px; 
    margin-right: 0px; 
    margin-bottom: 0px; 
} 
.style1 { 
    color: #850707; 
    font-family: Verdana, Arial, Helvetica, sans-serif; 
    font-size: 12px; 
    font-weight: bold; 
} 
.style2 { 
    color: #406b9b; 
    font-family: Verdana, Arial, Helvetica, sans-serif; 
    font-size: 12px; 
    font-weight: bold; 
} 
--> 
</style></head> 
<body> 
<body> 

<div class="baslik">Fiyat Talep Formu</div> 
<div class="hr"></div> 
 <form id="form1" name="form1" method="post" action=""> 
  <table width="900" border="0" cellspacing="3" cellpadding="3"> 
    
      
    <?php 
  $kontrol = 0; if ($_POST['submit']) $kontrol = 1; 
  if ($kontrol == 1){ 
    $ad_soyad = $_POST['ad_soyad']; 
    $eposta = $_POST['eposta']; 
    $telefon = $_POST['telefon']; 
    $tip = $_POST['tip']; 
    $mesaj = $_POST['mesaj']; 

    if (empty($ad_soyad) || empty($eposta) || empty($telefon) || empty($tip) || empty($mesaj)) 
    { 
echo' 
    <tr> 
        <td width="273" colspan="3"><span style="font-weight:bold;color:red;">Lütfen Tüm Alanları Doldurun</span></td> 
    </tr>'; 
}else{ 



        $mesajj = '<span style="font-size:14px;">Fiyat Talep Formu</span> 
     
    <table> 
    <tr> 
    <td>Adı Soyadı</td> 
    <td>:</td> 
    <td>'.$ad_soyad.'</td> 
    </tr> 
     
     
    <tr> 
    <td>E Posta</td> 
    <td>:</td> 
    <td>'.$eposta.'</td> 
    </tr> 
     
     
    <tr> 
    <td>Telefon</td> 
    <td>:</td> 
    <td>'.$telefon.'</td> 
    </tr> 
     
     
    <tr> 
    <td>Sigorta Tipi</td> 
    <td>:</td> 
    <td>'.$tip.'</td> 
    </tr> 
     
     
    <tr> 
    <td>Mesaj</td> 
    <td>:</td> 
    <td>'.$mesaj.'</td> 
    </tr> 
    </table> 
     
    <br/>Bu mesaj otomatik olarak sistem tarafından gönderilmektedir.'; 


            $kime = 'info@sigorta.com.tr'; 
                $konum = 'Fiyat Talep Formu'; 
                $eposta($kime,$konum,$mesajj); 

$sql = mysql_query ("INSERT INTO fiyat_talep (id,ad_soyad,eposta,telefon,tip,mesaj,okuma) VALUES ('0','$ad_soyad','$eposta','$telefon','$tip','$mesaj','0')"); 
             
             
            if ($sql){ 
            echo'<tr><td width="273" colspan="3"><span style="font-weight:bold;color:blue;">Mesajınız başarıyla kaydedildi.</span></td></tr>'; 
            } 
            $ad_soyad = NULL; 
            $eposta = NULL; 
            $telefon = NULL; 
            $mesaj = NULL;         
} 
} 
?> 
     
     
     
     
    <tr> 
      <td width="273"><span class="style1">Adınız Soyadınız </span></td> 
      <td width="4" class="style1">&nbsp;</td> 
      <td width="593"><input name="ad_soyad" type="text" style="border-left:solid 1px #000066; border-right:solid 1px #000066; border-top:solid 1px #000066; border-bottom:solid 1px #000066; width:200px; color:#000" /></td> 
    </tr> 
    <tr> 
      <td class="style1">E-Posta Adresiniz </td> 
      <td class="style1">&nbsp;</td> 
      <td><input name="eposta" type="text" style="border-left:solid 1px #000066; border-right:solid 1px #000066; border-top:solid 1px #000066; border-bottom:solid 1px #000066;;  width:200px; color:#000" /></td> 
    </tr> 
    <tr> 
      <td class="style1">Telefon Numaranız </td> 
      <td class="style1">&nbsp;</td> 
      <td><input name="telefon" type="text" style="border-left:solid 1px #000066; border-right:solid 1px #000066; border-top:solid 1px #000066; border-bottom:solid 1px #000066; width:200px; color:#000" /></td> 
    </tr> 
    <tr> 
      <td class="style1">Fiyat Almak İstediğiniz Hizmet </td> 
      <td class="style1">&nbsp;</td> 
      <td><select name="tip"  style="border-left:solid 1px #000066; border-right:solid 1px #000066; border-top:solid 1px #000066; border-bottom:solid 1px #000066;width:200px; color:#000 "> 
        <option value="Oto Sigorta">Oto Sigorta</option> 
        <option value="Konut Sigorta">Konut Sigorta</option> 
        <option value="Hayat Sigorta">Hayat Sigorta</option> 
        <option value="Diğer Sigortalar">Diğer Sigortalar</option> 
    </select>      </td> 
    </tr> 
    <tr> 
      <td class="style1">Mesajınız</td> 
      <td class="style1">&nbsp;</td> 
      <td><textarea name="mesaj" rows="5" style="border-left:solid 1px #000066; border-right:solid 1px #000066; border-top:solid 1px #000066; border-bottom:solid 1px #000066; width:200px;height:50px;"></textarea></td> 
    </tr> 
    <tr> 
      <td colspan="2">&nbsp;</td> 
      <td><input type="submit" name="submit" value="G&ouml;nder" style="border-left:solid 1px #000066; border-right:solid 1px #000066; border-top:solid 1px #000066; border-bottom:solid 1px #000066;; background-color:#3E6B93; color:#FFFFFF " /> 
      </td> 
    </tr> 
  </table> 
</form></body> 
</html>