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Faris Durrani
Faris Durrani

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Oracle Cloud: Email Delivery using Node

How to send an email through the Oracle Cloud Email Delivery service via Node’s Nodemailer package

This tutorial continues from our last article: Oracle Cloud: Email Delivery using Mailx and will adopt the same initial steps but instead of using Mailx, will use Python.

The Oracle Cloud Infrastructure provides an Email Delivery service that enables users to send bulk emails to their recipients. The official documentation to get started lies here.

This tutorial lays out the basic steps to accomplishing email sending using this service via Mailx referencing the official tutorial and the Nodemailer guide here.


From that same website, we see the current cost of sending emails. The FAQ states one email is equivalent to 2 MB or one recipient in the To, CC, or BCC fields.

Screenshot of Oracle Cloud website that shows the current price of the email delivery at $0.00 for the first 3100 emails and $0.085 for every 1000 emails above that

Screenshot of Oracle Cloud website that shows the current price of the email delivery at $0.00 for the first 3100 emails and $0.085 for every 1000 emails above that

Set up Email Delivery service on OCI

First, you need to set up the Email Delivery service on OCI.

  1. Create an SMTP Credential. Click your profile picture and click Generate credentials in SMTP credentials. Make sure to save the user and password info:

Screenshot - OCI SMTP credentials

SMTP Credentials generated

2. Go to the Email Delivery service

Searching for Email Delivery on OCI console search bar

3. Create an Approved Sender using an email in a server you control or a random email that may not even exist (I use which does not exist). This will be your From email.

Note that sending emails from unverified domains may lead to email bounces, quarantine, or restrictions of the recipient from receiving your email:

Image description

4. Navigate to the Configuration tab of Email Delivery and copy the information on the page:

Email Delivery configuration page

Send email

Copy paste the following NodeJS code (adapted from the linked blog post), replacing the SENDER, RECIPIENT, USERNAME_SMTP, HOST, PORT, and password_smtp with your own. Be sure to do npm install nodemailer to install the package first.

import nodemailer from "nodemailer";

const transporter = nodemailer.createTransport({
  pool: true,
  host: "",
  port: 587,
  secure: false,
  auth: {
    user: "",
    pass: "0jfpB;uQpAjh_u!a",

const message = {
  from: '"Faris Durrani"',
  to: "",
  subject: "Message title",
  text: "Plaintext version of the message",
  html: "<p>HTML version of the message</p>",

transporter.sendMail(message, (err, info) => {
  if (err) {
  } else {
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Run the nodemailer using node yourFileName.js and see the Terminal outputting a success message and your inbox having your email:

Terminal showing success message in JSON format

Outlook showing received email


  1. Nodemailer
  2. Oracle Email Delivery

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