mail.php
<?
$giden="mail@gmail.com";
$konu=$_POST["konu"];
$mes=$_POST["mesaj"];
$adres=$_POST["adres"];
$headers .= "X-Sender: <mail@gmail.com>\n";
$headers .= "X-Mailer: PHP\n";
$headers .= "X-Priority: 3\n";
$headers .= "Return-Path: <mail@gmail.com>\n";
$headers .= "Content-Type: text/html; charset=iso-8859-9\n";
$mesaj="<b>Konu:</b> $konu <br>
<b>E-Mail:</b> $adres<br>
<b>Mesaj:</b> $mes<br>";
if($_POST["gonder"] && $mes){
   mail($giden,$konu,$mesaj,$headers);
   }
header("location: index.php"); // Gönderildikten sonra yönlenecek sayfa
?>
bu iletişim formunun calısması için mail.php yi nasıl yapmalıyım mail.php yukarıda
<table border="0" width="500" cellspacing="0" cellpadding="0" bgcolor="#FFFFFF" align="center">
                    <tr> 
                      <td align="center"> 
                        <form method="POST" action="mail.php">
                                                    <table>
                            <tr> 
                              <td> 
                                <table width="500" border="0" cellspacing="0" cellpadding="0">
                                  <tr> 
                                    <td><font color="#FF9900"><b>Bizi nereden 
                                      duydunuz ?</b></font><br>
                                      <table width="100%" border="0" cellspacing="0" cellpadding="0">
                                        <tr> 
                                          <td width="136">&nbsp;</td>
                                          <td>&nbsp;</td>
                                        </tr>
                                        <tr> 
                                          <td>Web reklamı : </td>
                                          <td> 
                                            <input type="radio" name="nerdenduydunuz" value="web" checked>
                                          </td>
                                        </tr>
                                        <tr> 
                                          <td>Raslantı : </td>
                                          <td> 
                                            <input type="radio" name="nerdenduydunuz" value="raslanti">
                                          </td>
                                        </tr>
                                        <tr> 
                                          <td>Google : </td>
                                          <td> 
                                            <input type="radio" name="nerdenduydunuz" value="google">
                                          </td>
                                        </tr>
                                        <tr> 
                                          <td>Dergi : </td>
                                          <td> 
                                            <input type="radio" name="nerdenduydunuz" value="dergi">
                                          </td>
                                        </tr>
                                      </table>
                                      <br>
                                    </td>
                                    <td><font color="#99CC66"><b>Ulaşmasını istediğiniz 
                                      departman : <br>
                                      </b></font> 
                                      <table width="100%" border="0" cellspacing="0" cellpadding="0">
                                        <tr> 
                                          <td width="49%">&nbsp;</td>
                                          <td width="51%">&nbsp;</td>
                                        </tr>
                                        <tr> 
                                          <td width="49%">Webmaster : </td>
                                          <td width="51%"> 
                                            <input type="radio" name="departman" value="webmaster">
                                          </td>
                                        </tr>
                                        <tr> 
                                          <td width="49%">Sohbet Odaları Yönetimi 
                                            :</td>
                                          <td width="51%"> 
                                            <input type="radio" name="departman" value="yonetim" checked>
                                          </td>
                                        </tr>
                                        <tr> 
                                          <td width="49%">&nbsp;</td>
                                          <td width="51%">&nbsp;</td>
                                        </tr>
                                        <tr> 
                                          <td width="49%">&nbsp;</td>
                                          <td width="51%">&nbsp;</td>
                                        </tr>
                                      </table>
                                      <font color="#99CC66"><b> </b></font></td>
                                  </tr>
                                </table>
                                <br>
                              </td>
                            </tr>
                            <tr> 
                              <td> 
                                <table width="100%" border="0" cellspacing="0" cellpadding="0">
                                  <tr> 
                                    <td width="188"><b><font face="Verdana, Arial, Helvetica, sans-serif"><b><font color="#FF9900">Telefon 
                                      numaranız :</font></b></font></b></td>
                                    <td width="207"> 
                                      <input name="telefon" type="text" maxlength="20"  tabindex="2" size="20" style="BORDER-RIGHT: #e1e1e1 1px solid; BORDER-TOP: #c0c0c0 1px solid; FONT-SIZE: 8pt; BORDER-LEFT: #c0c0c0 1px solid; COLOR: #000000; BORDER-BOTTOM: #e1e1e1 1px solid; FONT-FAMILY: Verdana" />
                                    </td>
                                  </tr>
                                  <tr> 
                                    <td width="188"><b><font face="Verdana, Arial, Helvetica, sans-serif"><b><font color="#99CC66">E- 
                                      Posta adresiniz :</font></b></font></b></td>
                                    <td width="207"> 
                                      <input name="email" type="text" maxlength="20"  tabindex="2" size="20" style="BORDER-RIGHT: #e1e1e1 1px solid; BORDER-TOP: #c0c0c0 1px solid; FONT-SIZE: 8pt; BORDER-LEFT: #c0c0c0 1px solid; COLOR: #000000; BORDER-BOTTOM: #e1e1e1 1px solid; FONT-FAMILY: Verdana" />
                                    </td>
                                  </tr>
                                  <tr> 
                                    <td width="188"><b><font face="Verdana, Arial, Helvetica, sans-serif"><b><font color="#000000">İletmek 
                                      istedikleriniz :</font></b></font></b></td>
                                    <td width="207"> 
                                      <textarea name="Bize iletmek istedikleriniz " tabindex="2" cols="50" style="BORDER-RIGHT: #e1e1e1 1px solid; BORDER-TOP: #c0c0c0 1px solid; FONT-SIZE: 8pt; BORDER-LEFT: #c0c0c0 1px solid; COLOR: #000000; BORDER-BOTTOM: #e1e1e1 1px solid; FONT-FAMILY: Verdana" rows="5"></textarea>
                                      <br>
                                    </td>
                                  </tr>
                                </table>
                              </td>
                            </tr>
                            <tr> 
                              <td> 
                                <div align="left"><br>
                                  <input type="submit" value="Yolla" class="form" name="submit">
                                  <input type="reset" class="form" name="reset">
                                </div>
                              </td>
                            </tr>
                          </table>
                        </form>
                        <div align="left"><b>İsteğiniz ilgili departmanımızca 
                          incelendikten sonra size sonuç hakkında gerekli bilgi 
                          verilecektir. TurkishChat.net sohbet odalarını tercih 
                          ettiğiniz için teşekkür ederiz. </b> </div>
                      </td>