Formidable + CloudMailin

app.js

//MSG
app.post('/msg', function(req, res){

  if (req.url == '/msg') {
    var form = new formidable.IncomingForm(),
        fields = [];

    form.on('error', function(err) {
        res.writeHead(200, {'content-type': 'text/plain'});
        res.end('error:\n\n'+util.inspect(err));
      
      }).on('field', function(field, value) {
        
        fields.push([field, value]);
       
      }).on('end', function() {

        console.log('-> post done');
        res.writeHead(200, {'content-type': 'text/plain'});
        res.end('received fields:\n\n '+ util.inspect(fields));
        
        //FROM
        console.log(fields[2][1]);

        //PLAIN
        console.log(fields[5][1]);

        //HTML
        console.log(fields[6][1]);
      });
    
    form.parse(req);
  
  } else {
    res.writeHead(404, {'content-type': 'text/plain'});
    res.end('404');
  }


});