var emailValidator = require('email-validator-net')(apiKey);
 
var email1 = emailValidator(email, callbackFunction(returnOfCallbackFunction){ //validates email object
  //email is a string like this: janek.rahrt@gipfel5.eu
 
  returnOfCallbackFunction.statusCode() //gives back statuscode
  returnOfCallbackFunction.statusString() //gives back status as string, see following
  // => http://www.email-validator.net/email-verification-results.html
});