Why can't I send emails in Nodejs, Ubuntu 16.04 using nodemailer.

I am using nodemailer to send mails, I was available to send mails through it in but I can’t in my droplet with Ubuntu 16.04, here is my actual code to send emails:

var sendEmail = function(subjectText, bodyText) {
  var nodemailer = require('nodemailer');

  var transporter = nodemailer.createTransport({
  	service: 'gmail',
  	port: 443,
  	options: {
  	  debug: true,
  	auth: {
  		user: '',
  		pass: '****'
  // verify connection configuration
  transporter.verify(function(error, success) {
     if (error) {
     } else {
          console.log('Server is ready to take our messages');

  var mailOptions = {
  	from: '',
  	to: '',
  	subject: subjectText,
  	text: bodyText

  transporter.sendMail(mailOptions, function(error, info) {
  	if(error) {
  		console.log('Email couldnt be sent.\n', error.response);
  	} else {
  		console.log('Email sent: ' + info.response);

module.exports = {
  sendEmail: sendEmail

I have already tried shutting down the firewall, what can I do to make this work? Do you know another alternative to send mails via node’js in Digital Ocean servers?

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Hi @michaelszer

If your account with DigitalOcean is new, then sometimes all SMTP is blocked. You need to create a ticket with Support via the control panel and ask to get SMTP unblocked.