Setting Up Email Functionality in Node.js Using Nodemailer

Learn how to integrate email service on your server with Nodemailer.

In one of my previous articles (Serverless Email Integration using React and EmailJs), I wrote about how to integrate email service into your application. In this tutorial, we will look at achieving that with a server.

Content

1. Creating a new Express app/server
2. Configuring Nodemailer transporter
3. Setting up Gmail App password
4. Creating API

Creating a New Express App/Server

First, let’s create a new Express application. Open your terminal and run the following commands:

mkdir email-service
cd email-service
npm init -y
npm install express nodemailer cors dotenv

Create a file named server.js and add the following code:

const express = require('express');
const cors = require('cors');
require('dotenv').config();

const app = express();
app.use(cors());
app.use(express.json());

const PORT = process.env.PORT || 3000;

app.listen(PORT, () => {
    console.log(`Server is running on port ${PORT}`);
});

Now, run node server.js to start your server. You should see the message "Server is…