Prolateral Consulting Ltd
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Prolateral offers primary and backup domain (DNS) services, with servers in key geographic locations providing the best service possible.


How do I set up outbound SMTP using Nodemailer for Node.js?
How do I use outMail with Nodemailer?


In this article we discuss using outMail as the outbound email server with Nodemailer for Node.js.  We assume already you have a working development environment with node.js installed and you are looking at just configuring the SMTP Server settings to use outMail for the nodemailer library.

Installing nodemailer

npm install nodemailer

Using nodemailer to send an email with outMail.

The below example demonstrates how to send an email with plain text and HTML body

"use strict";
const nodemailer = require("nodemailer");

async function main() {
  // create transporter object using the default SMTP transport
  let transporter = nodemailer.createTransport({
    host: "",
    port: 587,
    secure: false, // This example has TLS off
    auth: {
      user: "outMail-username",
      pass: "outMail-password",

  // send mail with defined transport object
  let info = await transporter.sendMail({
    from: '"My Name" <>', 
    to: "", 
    subject: "Subject goes here...",
    text: "Hello world",
    html: "Hello world",

  console.log("Message sent: %s", info.messageId);



Summary of server details

Outgoing server

As provided in your signup email.

Outgoing server protocol


Outgoing server port

25, 465, 587, 2525 or 8025

Authentication Type

Basic Authentication, SSL and TLS supported


As provided


As provided


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