Salve ragazzi, spero mi possiate essere di aiuto .
Praticamente sto integrando un modulo email in un sito. Credendo di aver configurato correttamente i paramentri , ho provato ad inviare una mail dal modulo. Risultato : Non arriva
Ora vorrei capire il perchè e dove sbaglio.
Per il modulo principale ho creato una pagina contacts.php e con la funzione include ho richiamato contact_config.php ove vi sono i paramentri di configurazione
Di seguito riporto il codice delle pagine , ovvero quello interessato alla funzione mail.
Spero possiate essermi d'aiuto e ringrazio anticipatamente per eventuali chiarimenti.

Parte php della pagina contacs.php:

Codice PHP:
<?php 
include('kcaptcha/kcaptcha.php'); 
session_start(); 
require_once(
"contact_config.php"); 
if (
$_POST['act']== "y"

    if(isset(
$_SESSION['captcha_keystring']) && $_SESSION['captcha_keystring'] ==  $_POST['keystring']) 
    { 
         
        if (isset(
$_POST['posName']) && $_POST['posName'] == ""
        { 
         
$statusError "$errors_name"
        } 
        elseif (isset(
$_POST['posEmail']) && $_POST['posEmail'] == ""
        { 
         
$statusError "$errors_mailfrom"
        } 
        elseif(isset(
$_POST['posEmail']) && !preg_match("/^([a-z,._,0-9])+@([a-z,._,0-9])+(.([a-z])+)+$/"$_POST['posEmail'])) 
        { 
         
$statusError "$errors_incorrect"

         unset(
$_POST['posEmail']); 
        } 
         
        elseif (isset(
$_POST['posText']) && $_POST['posText'] == ""
        { 
         
$statusError "$errors_message"
        } 

elseif (!empty(
$_POST)) 
{    
 
$headers  "MIME-Version: 1.0\r\n"
 
$headers .= "Content-Type: $content  charset=$charset\r\n"
 
$headers .= "Date: ".date("Y-m-d (H:i:s)",time())."\r\n"
 
$headers .= "From: \"".$_POST['posName']; 
 
$headers .= "X-Mailer: My Send E-mail\r\n"

 
mail("$mailto","$subject","$message","$headers"); 
  
 
$_POST['posRegard'] = ""
 
$_POST['posText'] = ""
 
$_POST['posCountry'] = ""
 
$_POST['posEmail'] = ""
 
$_POST['posName'] = ""
  
  
  
 unset(
$name$posText$mailto$subject$posRegard$message); 

 
$statusSuccess "$send"


       }else{ 
             
$statusError "$captcha_error"
             unset(
$_SESSION['captcha_keystring']); 
        } 


$cat_name="Contact  $store_name manager"
?>

Parte HTML della pagina contacts.php che segue la precedente parte in php :

codice HTML:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Titolo sito</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<meta http-equiv="Content-Style-Type" content="text/css">
<LINK HREF="style.css" TYPE="text/css" REL="stylesheet">
<!--[if IE 6]>
<script type="text/javascript" src="js/ie6_script_other.js"></script>
<![endif]-->

<script type="text/javascript" src="js/jquery-1.js"></script>
<script type="text/javascript" src="js/cufon.js"></script>
<script type="text/javascript" src="js/BankGothic_Md_BT_400.font.js"></script>
<script src="AC_RunActiveContent.js" language="javascript"></script>

<script type="text/javascript">
    Cufon.replace(".special",{ fontFamily:"BankGothic Md BT"});
</script>

</head>
<body>
        <div align="center">
            <script language="javascript">
                if (AC_FL_RunContent == 0) {
                    alert("This page requires AC_RunActiveContent.js.");
                } else {
                    AC_FL_RunContent(
                        'codebase', 'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0',
                        'width', '100%',
                        'height', '390',
                        'src', 'header/flash',
                        'quality', 'high',
                        'pluginspage', 'http://www.macromedia.com/go/getflashplayer',
                        'align', 'top',
                        'play', 'true',
                        'loop', 'true',
                        'scale', 'showall',
                        'wmode', 'opaque',
                        'devicefont', 'false',
                        'id', 'flash',
                        'bgcolor', 
                        'name', 'flash',
                        'menu', 'true',
                        'allowFullScreen', 'false',
                        'allowScriptAccess','sameDomain',
                        'movie', 'flash',
                        'salign', ''
                        ); //end AC code
                }
            </script>
        </div>
        
        <div class="big_car">
            <div class="centr">
                <div class="content">
                
                    <div class="grid_9 left">
                        <div class="grey_content top_15 ">
                            <h1 class="special bot_15">Modulo Contatti</h1>
                             <p id="emailSuccess"><strong><?php echo "$statusSuccess" ?></strong></p>
                            <p id="emailError"><strong style="color:#FF0000;"><?php echo "$statusError" ?></strong>    </p>
                            
                                <form action="contacts.php" method="post" id="cForm">
                                        <input type="hidden" name="act" value="y" />
                                <table width="545" id="contact_form">
                                    <tr>
                                        <td width="95"><label for="posName" ><span class="red">*</span><span class="black">Il tuo nome:</span></label></td><td><input  class="input_contact"  type="text" size="25" name="posName" id="posName" value="<?php echo $_POST['posName'] ?>" /></td>
                                    </tr>
                                    <tr>
                                        <td><label for="posEmail"><span class="red">*</span>E-Mail:</label></td><td><input   class="input_contact" type="text" size="25" name="posEmail" id="posEmail" value="<?php echo $_POST['posEmail'] ?>"/></td>
                                    </tr>
                                    <tr>
                                        <td><label for="posRegard">Telefono:</label></td><td><input  class="input_contact" type="text" size="25" name="posRegard" id="posRegard" value="<?php echo $_POST['posRegard'] ?>"/></td>
                                    </tr>        
                                    <tr>
                                        <td><label for="posText"><span class="red">*</span>Commenti:</label></td><td><textarea class="textarea_contact" rows="5" name="posText" id="posText"><?php echo $_POST['posText'] ?></textarea></td>
                                    </tr>
                                    <tr>
                                    <td valign="top"><label for="posCaptcha"><span class="red">*</span>Codice di Sicurezza:</label><br></td><td><input  class="input_contact" style="width:150px; float:left;" type="text" size="25" name="keystring" id="keystring" /> <img src="kcaptcha?<?php echo session_name()?>=<?php echo session_id()?>" style="height:35px; float:right">
                                </td>
                                    </tr>
                                    <tr>
                                    <td>&nbsp;</td><td valign="top"><input class="submit_registry" type="submit" name="selfCC" id="selfCC" value="Submit" /></td>
                                    </tr>
                                    </table>
                                    </form>    
                      </div>                   
                                        <div class="clear"></div><br><br>
                            
                               
                                
                      <div class="left pad_20">
                                                                                                                
                        </div>
                                <div class="clear"></div>
                                
                            
                      </div>
<div class="grid_10 right pad_20">
                         <h1 class="special  top_25 bot_15" style="font-size:25px">Contatti</h1>
                            <img src="images/photo_21.jpg" class="photo left right_20">
                            <strong class="white up">Mio sito</strong><br>
                                Telefono: <br>
                                Telefono: <br>
                                E-mail: <a href="mailto" class="color">info@miosito.net</a><br>
                                URL: <a href="mailto" class="color">www.miosito.net</a><br><br><br>
                                
                        <h1 class="special  top_25 bot_15" style="font-size:25px">Link Utili</h1>
                            
                            <a class="white" href="https://maps.google.it/"><strong>Google Maps</strong></a><br>
                                <br><br> 


  
  
                  </div>
                  <div class="clear"></div>
                            
                </div>
            </div>
        </div>
        
                    
        <div class="footer">
            <div class="centr">
                <div class="grid_5 left left_15">
                    <h4 class="special">COPYRIGHT</h4>
                        SITO © 2014. TUTTI I DIRITTI SONO RISERVATI.<br>
                        
                 </div>
                        
                 <div class="grid_2 left">
                     <h4 class="special">SOCIAL</h4>                        
                        <a class="pin" href="#"><img src="images/pin_1.jpg"></a>
                        <a class="pin" href="#"><img src="images/pin_2.jpg"></a>
                        <a class="pin" href="#"><img src="images/pin_3.jpg"></a>
                        <a class="pin" href="#"><img src="images/pin_4.jpg"></a>                
</div>
                 
                 <div class="grid_4 right">
                     <h4 class="special">CONTATTI</h4>
                        Telefono:  <br>
                        Telefono:<br>
                        E-mail:  <a href="mailto">info@miosito.net</a>
                 </div>
                 
                 <div class="clear"></div>       

            
            
            </div>    
        </div>
        
        
       
</body> </html>

Pagina contact_config.php:

Codice PHP:
<?php 
$mailto 
"info@nomesito.net"
$charset "windows-1251"
$subject "Site visitor: ".$_POST['posName']; 
$content "text/html"
$message "Site visitor information: 
<br><br> Name: "
.$_POST['posName'
.
"<br>E-mail: ".$_POST['posEmail'
.
"<br>Country: ".$_POST['posCountry'
.
"<br>Phone: ".$_POST['posRegard'
.
"<br>Comments: ".$_POST['posText']; 
  
$statusError ""
$statusSuccess ""

$errors_name 'Prego inserire il nome'
$errors_mailfrom 'Prego inserire email'
$errors_incorrect 'La mail da voi inserita sembra non essere valida. <br>La tua email dovrebbe essere del tipo tuonome@dominio.com'
$errors_message 'Prego inserire il messaggio'
$errors_subject 'Prego inserire il telefono'
$captcha_error 'Codice di sicurezza errato!'
$send 'Messaggio inviato correttamente'
?>