kako se pise php kod za mail i bazu?

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Pozdrav imam jedan problemcic naime skinuo sam Captcha Security Images: white-hat-web-design.co.uk/articles/php-captcha.php

i postavio sam je na net :
klubljubavi.com/form.php i ovo : klubljubavi.com/razmena-linkova.html

medjutiim kad se klikne na submit ili continue poruka ili prijava linka ne ode nigde a treba da ode na moj mail i u data bazu !

u skripti mi pokazuje ovu poruku :

<?php
session_start();

if( isset($_POST['submit'])) {
if( $_SESSION['security_code'] == $_POST['security_code'] && !empty($_SESSION['security_code'] ) ) {
// Insert you code for processing the form here, e.g emailing the submission, entering it into a database.
echo 'Thank you. Your message said "'.$_POST['message'].'"';
unset($_SESSION['security_code']);
} else {
// Insert your code for showing an error message here
echo 'Sorry, you have provided an invalid security code';
}
} else {
?>

<form action="form.php" method="post">
<label for="name">Name: </label><input type="text" name="name" id="name" /><br />
<label for="email">Email: </label><input type="text" name="email" id="email" /><br />
<label for="message">Message: </label><textarea rows="5" cols="30" name="message" id="message"></textarea><br />
<img src="CaptchaSecurityImages.php?width=100&height=40&characters=5" /><br />
<label for="security_code">Security Code: </label><input id="security_code" name="security_code" type="text" /><br />
<input type="submit" name="submit" value="Submit" />
</form>

<?php
}
?>

ako moze pomoc oko tog famoznog php koda koji se trazi u skripti za mail i bazu

hvala