<form method="post" action="index.php">
    <div class="row 50%">
      <div class="6u 12u(mobile)"><input name="name" type="text" placeholder="Name" /></div>
      <div class="6u 12u(mobile)"><input name="email" type="text" placeholder="Email" /></div>
    </div>
    <div class="row 50%">
      <div class="12u"><textarea name="message" placeholder="Message"></textarea></div>
    </div>
    <div class="row">
     <div class="12u">
      <ul class="actions">
        <li><input type="reset" class="button alt" value="Clear Form" /></li>
        <li><input name="submit" type="submit" class="button" value="Send Message" /></li>
        </ul>
     </div>
    </div>
</form>

<?php
if (isset($_POST["submit"])) {
    $name = $_POST['name'];
    $email = $_POST['email'];
    $message = $_POST['message'];
    $from = 'Demo Contact Form';
    $to = "xxxxx@gmail.com";
    $subject = 'Message from Contact Demo ';
    $body = "From: $namen E-Mail: $emailn Message:n $message";

if (mail ($to, $subject, $body, $from)) {
    $result='Thank You! I will be in touch';
    echo 'test success';
} else {
    $result='Sorry there was an error sending your message.';
}
}
?>

mail function
; For Win32 only.
; http://php.net/smtp
; SMTP=smtp.gmail.com
; http://php.net/smtp-port
; smtp_port=25

; For Win32 only.
; http://php.net/sendmail-from
; sendmail_from = your@gmail.com

; For Unix only.  You may supply arguments as well (default: "sendmail -t -i").
; http://php.net/sendmail-path
sendmail_path = ""C:xamppsendmailsendmail.exe" -t"

sendmail
smtp_server=smtp.gmail.com
smtp_port=465
error_logfile=error.log
debug_logfile=debug.log
auth_username=your@gmail.com
auth_password=yourpassword
force_sender=your@gmail.com
hostname=localhost