title: How to send email in html form using express js
body: <p>I am new in nodejs,I am showing html file in home page(on localhost),in this file there is contact us form and i want to send email to user,How can i do this ? Here is my current code,Thanks in advance</p>
  
  <pre><code>app.set('view engine', 'ejs');
  app.use(express.static('public'));
  
  app.get('/', function(req, res){
     res.sendFile(__dirname + '/index.html'); 
  });
  </code></pre>