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Help launching the site.

Hi Everyone,

I'm having trouble sending emails from a live server and localhost... for some reason, whenever I try to send an email the site takes me to a blank screen. I also would like to know why the site is adding an extra element to the URL, for example. my site is http://www.designstudiovega.com but when I click on about it is like this : www.designstudiovega.com/designstudiovega/ and my contact is like this : www.designstudiovega.com/designstudiovega/. How can I eliminate the designstudiovega after the main site address? making my about be the index.php. Thanks in advance!

code :

on my htaccess : 

RewriteEngine On

# Some hosts may require you to use the `RewriteBase` directive.
# If you need to use the `RewriteBase` directive, it should be the
# absolute physical path to the directory that contains this htaccess file.
RewriteBase /

RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^ index.php [QSA,L]


on my index.php


require __DIR__ . '/vendor/autoload.php';

//use Monolog\Logger;
//use Monolog\Handler\StreamHandler;
//$log = new Logger('name');
//$log->pushHandler(new StreamHandler('app.txt', Logger::WARNING));

$app = new \Slim\Slim( array(
  'view' => new \Slim\Views\Twig()
$app->add(new \Slim\Middleware\SessionCookie());

$view = $app->view();
$view->parseOptions = array(
    'debug' => true

$view->parserExtensions = array(
    new \Slim\Views\TwigExtension(),

$app->get('/', function () use($app){

$app->get('/contact', function () use($app){

$app->post('/contact', function () use($app){
  $name = $app->request->post('name');
  $email = $app->request->post('email');
  $msg = $app->request->post('msg');

  if(!empty($name) && !empty($email) && !empty($msg)) {
      $cleanName = filter_var($name, FILTER_SANITIZE_STRING);
      $cleanEmail = filter_var($email, FILTER_SANITIZE_EMAIL);
      $cleanMsg = filter_var($msg, FILTER_SANITIZE_STRING);

  } else {
    //message the user that there was a problem
    $app->flash('fail', 'All Fields Are Required');

  $transport = Swift_SendmailTransport::newInstance('/usr/lib/sendmail -bs');
  $mailer = \Swift_Mailer::newInstance($transport);

  $message = \Swift_Message::newInstance();
  $message->setSubject('Email From Our Website');
    $cleanEmail => $cleanName

  $result = $mailer->send($message);

  if($result > 0) {
    //send a message that says thank you.
    $app->flash('success', 'Thanks so much!');
  } else {
    //send message to the user that the message failed to send
    $app->flash('fail', 'Something went wrong, please try again.');
    //log that there was an error


on my main.twig

<!doctype html>

<html lang="en">
  {% block head %}
      <meta charset="utf-8">
      <title> {% block title %} Ralph Waldo Emerson {% endblock title %} </title>
      <meta name="description" content="Ralph Waldo Emerson">
      <meta name="author" content="Treehouse">
      <link href='http://fonts.googleapis.com/css?family=Roboto:400,700' rel='stylesheet' type='text/css'>
      <link rel="stylesheet" href="css/master.css">
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
      <script src="js/global.js"></script>
  {% endblock head %}

 {% include 'flash.twig' %}

    <h1>Ralph Waldo Emerson</h1>
      <a href=" {{ baseUrl() }} " class="selected">About</a>
      <a href=" {{ siteUrl('/contact') }} ">Contact</a>


  <div class="emerson">
   {% block hero %} <img src="images/emerson.jpg" alt="Picture of Ralph Waldo Emerson"> {% endblock hero %}

    {% block content %}

    {% endblock content %}

    {% block footer %}
      <p>A project from <strong><a href="http://teamtreehouse.com">Treehouse</a></strong></p>
         <a href=" {{ baseUrl() }} " class="selected">About</a>
         <a href=" {{ siteUrl('/contact') }} ">Contact</a>
    {% endblock footer %}