Help Me !!! Having trouble with API

Please Help Me

My Endpoint is mail.example.com. When i open it one the browser. Its working and all are fine. Now i want to access it via API, example postman. How do i do that. When i use request type = POST endpoint = mail.exampl.com/authenticate body = {'username': 'username', 'password': 'password', 'scope': 'master', 'token': 'true'} headers = {'Content-Type': 'application/json'}

Response Important = invalid csrf token

Output

<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">      

    <meta name="description" content="Wild Duck Mail web client">
    <meta name="author" content="Andris Reinman">

    <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
    <link rel="icon" type="image/png" sizes="96x96" href="/favicon-96x96.png">
    <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">

    <title>Wild Duck Mail

    </title>

    <!--<link rel="stylesheet" href="/bootstrap-3.3.7/css/bootstrap.min.css">-->
    <link rel="stylesheet" href="/bootstrap-3.3.7/css/lumen.css">
    <link rel="stylesheet" href="/css/wildduck.css">
</head>

<body>

    <nav class="navbar navbar-default navbar-static-top">
        <div class="container">
            <div class="navbar-header">
                <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
                    data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                    <span class="sr-only">Toggle navigation</span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
                <a class="navbar-brand" href="/">
                    <img alt="Wild Duck Mail" src="/favicon-32x32.png" width="20" height="20">
                </a>
            </div>

            <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
                <ul class="nav navbar-nav navbar-right">

                    <li >
                        <a href="/account/create">
                            <span class="glyphicon glyphicon-user" aria-hidden="true"></span> Create account
                        </a>
                    </li>
                    <li >
                        <a href="/account/login">
                            <span class="glyphicon glyphicon-log-in" aria-hidden="true"></span> Log in
                        </a>
                    </li>

                </ul>
            </div>

        </div>
    </nav>    <div class="flash-messages">

    </div>

    <div class="container">

        <h3> Error</h3>

<p class="lead">invalid csrf token</p>

    </div>

    <footer class="footer">
        <div class="container">
            <p class="text-muted">&copy; 2017 <a href="/">Wild Duck Mail</a>. <a
                    href="mailto:info@mail.example.com">info@mail.example.com</a>. </p>
        </div>
    </footer>

    <script src="/components/underscore/underscore-min.js"></script>
    <script src="/components/jquery/dist/jquery.min.js"></script>
    <script src="/components/promise-polyfill/dist/promise.min.js"></script>

    <script src="/components/moment/min/moment-with-locales.min.js"></script>

    <script src="/bootstrap-3.3.7/js/bootstrap.js"></script>

    <link href="/components/bootstrap-daterangepicker/daterangepicker.css" rel="stylesheet">
    <script src="/components/bootstrap-daterangepicker/daterangepicker.js"></script>

    <link href="/components/summernote/dist/summernote.css" rel="stylesheet">
    <script src="/components/summernote/dist/summernote.min.js"></script>

    <script src="/components/fetch/fetch.js"></script>
    <script src="/components/event-source-polyfill/src/eventsource.min.js"></script>
    <script src="/components/handlebars/handlebars.min.js"></script>

    <script src="/components/favico.js/favico.js"></script>

    <script src="/wd.js"></script>
    <script type="text/javascript">
        $(function() {
            $("[rel='tooltip']").tooltip();
        });
    </script>

        <script>
            var INBOX_ID = -1;
            var INBOX_UNSEEN = 0;
            var FAVICON = false;
        </script>

    <script>
    window.setTimeout(function(){
        var alerts = document.querySelectorAll('.flash-messages');
        var elm;
        for(var i=0, len = alerts.length; i<len; i++){
            elm = alerts[i];
            if(elm.parentNode){
                elm.parentNode.removeChild(elm);
            }
        }
    }, 10 * 1000);

    </script>
</body>

</html>

nodemailer / wildduck-webmail

Help Me !!! Having trouble with API #50

Please Help Me