Mailgun Contact Form

contact.html

<div class="contact-form">
  <form id="contactform" name="contactform" method="post">
      <div class="row">
          <div class="col-sm-6">
              <input name="name" class="form-control" type="text" placeholder="Name*"/>
          </div>
          <div class="col-sm-6">
              <input name="email" class="form-control" type="email" placeholder="Email*"/>
          </div>
          <div class="clearfix"></div>
          <div class="col-sm-12">
              <textarea name="message" cols="5" class="form-control"
                        placeholder="Message*"></textarea>
          </div>
          <div class="clearfix"></div>
          <div class="col-md-12">
              <button type="submit" class="btn btn-blue contact-submit">Submit</button>
          </div>
      </div>
  </form>
</div> <!--contact form-->

contact.php

<?php
if (empty($_POST) || !isset($_POST)) {
    ajaxResponse('error', 'Post cannot be empty.');
} else {

    $postData = $_POST;
    $dataString = implode($postData, ",");
    $mailgun = sendMailgun($postData);
}

function ajaxResponse($status, $message, $data = NULL, $mg = NULL) {
    $response = array(
        'status' => $status,
        'message' => $message,
        'data' => $data,
        'mailgun' => $mg
    );
    $output = json_encode($response);
    exit($output);
}

function sendMailgun($data) {
    $api_key = 'key-**';
    $api_domain = 'user.xyz';
    $send_to = 'user@domain.com';
    $name = $data['name'];
    $email = $data['email'];
    $content = $data['message'];

    $messageBody = "Contact: $name ($email)\n\nMessage: $content";

    $config = array();
    $config['api_key'] = $api_key;
    $config['api_url'] = 'https://api.mailgun.net/v2/' . $api_domain . '/messages';

    $message = array();
    $message['from'] = $email;
    $message['to'] = $send_to;
    $message['h:Reply-To'] = $email;
    $message['subject'] = 'Mail From GagaGugu';
    $message['text'] = $messageBody;

    $curl = curl_init();

    curl_setopt($curl, CURLOPT_URL, $config['api_url']);
    curl_setopt($curl, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
    curl_setopt($curl, CURLOPT_USERPWD, "api:{$config['api_key']}");
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 10);
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0);
    curl_setopt($curl, CURLOPT_POST, true);
    curl_setopt($curl, CURLOPT_POSTFIELDS, $message);

    $result = curl_exec($curl);

    curl_close($curl);
    return $result;
}

?>

contactform.js

$('#contactform').on('submit', function (e) {
    $(this).attr("disabled", true);
    $('.contact-submit').text('Sending Message...');
    var dataString = $(".contact-form form").serialize();
    $.ajax({
        type: 'POST',
        url: "contact.php",
        data: dataString,
        success: function () {
            $('.contact-form form').hide();
            $('.contact-form').html("<div id='message'></div>");
            $('#message').html("<h2>Thanks, We got your Message!</h2>")
                .append("<p>We will be in touch soon.</p>");
        },
        error: function (data) {
            console.log('Silent failure.');
        }
    });
    return false;
});