Node.js Mailer API

A simple Node.js backend project that sends emails using Nodemailer based on data received through an HTTP POST request.

Features

• Send emails dynamically using JSON payloads
• Custom sender name
• Custom recipient email
• Custom message content
• Environment variable support using dotenv
• Event-driven email notification using EventEmitter

Installation

1. Clone the repository

git clone <repository-url>
cd <project-folder>

2. Install dependencies

npm install

3. Create a pass.env file in the project root

EMAIL_USER=your_email@gmail.com
EMAIL_PASS=your_google_app_password

4. Generate a Google App Password

• Open your Google Account
• Go to Security
• Enable 2-Step Verification
• Open App Passwords
• Generate an App Password
• Copy the generated password into pass.env

Run the Server

node index.js

The server starts on:

http://localhost:5000

Example POST Request

Send a POST request using Postman or Thunder Client.

Request Body

{
  "from": "Abhinav",
  "to": "receiver@example.com",
  "message": "Hello from Node.js"
}

Example Response

data sent

Technologies Used

• Node.js
• Nodemailer
• EventEmitter
• dotenv
• HTTP Module
• File System (fs)