Send email issue
<p>I am noob with php so pardon my ignorance. I have created php form and it is working fine except one thing. When i get my mail it says that its send from <b>nobody</b> , i have no idea how can i solve this issue so i am asking for little help! Thank you!!! <br/>Here's my code: </p>

<pre><code>     &lt;?php  

    if (isset($_POST['Submit'])) {  

        if (!empty($_POST['name'])) {  
            $_POST['name'] = filter_var($_POST['name'], FILTER_SANITIZE_STRING);  
            if ($_POST['name'] == "") {  
                $errors .= 'Molimo unesite Vaše ispravno ime.';  
            }  
        } else {  
            $errors .= '&lt;p&gt;Molimo unesite Vaše ime.&lt;/p&gt;';  
        }  

        if (!empty($_POST['email'])) {  
            $email = filter_var($_POST['email'], FILTER_SANITIZE_EMAIL);  
            if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {  
                $errors .= "$email is &lt;strong&gt;NIJE&lt;/strong&gt;  valjana email adresa.&lt;br/&gt;&lt;br/&gt;";  
            }  
        } else {  
            $errors .= '&lt;p&gt;Molimo unesite  email adresu.&lt;/p&gt;';  
        }  




        if ($_POST['message'] != "") {  
            $_POST['message'] = filter_var($_POST['message'], FILTER_SANITIZE_STRING);  


        }  

        if (!$errors) { 

            $mail_to = 'dejo.dekic@yahoo.com';  
            $subject = 'Kontakt';  
            $tema = 'Info';
            $headers  = 'MIME-Version: 1.0' . "\r\n";
            $headers  = 'Od: ' . $_POST['name'] . "\n"; 
            $headers .= 'Email: ' . $_POST['email'] . "\n";  
            $headers .= "Poruka:\n" . $_POST['message'] . "\n\n";  

            $user = $_POST['email'];
            $poruka ='Vaš kontakt je uspjesno zaprimljen! Odgovorit ću vam u najkraćem mogućem roku. Hvala! Molimo ne odgovarajte na ovu poruku. Ova poruka je automatska.';
            mail($mail_to, $subject, $headers, "Content-Type: text/plain; charset=UTF-8;");  
            mail($user, $tema, $poruka, "Content-Type: text/plain; charset=UTF-8;"); 

            echo "&lt;div style='color:white;margin:0px auto;padding-top:20px;width:290px;background-color:white;font-weight:bold;text-align:center;'&gt;&lt;p&gt;Hvala Vam na kontaktu!&lt;/p&gt;&lt;/div&gt;";

        } else {  
            echo '&lt;div class="errors"&gt;' . $errors . '&lt;br/&gt;&lt;/div&gt;';  

        }  
    }  

?&gt;  
</code></pre>

<p>And this is how it looks in my yahoo mail:<img src="http://www.homepagepays.robertpeic.com/yahoo.png"/></p>
