Email OTP Verification System

Project Purpose

This Node.js project provides a system for secure email OTP (One-Time Password) generation, sending, and verification. It is designed for demonstration and learning purposes. It uses Fastify over Express : To focus on speed and efficiency, Fastify is optimized to handle a high volume of requests, making it an ideal choice for performance-critical applications where response time is a key factor.

Features

• OTP Generation: Generates secure, random OTP codes.
• Email Integration: Sends OTPs to users via email. Requires configuration with an email provider (Mailgun is supported).
• OTP Storage & Validation: Securely stores OTPs as hashes in Redis for fast retrieval and validation(Redis is Required).

Setup

Prerequisites

• Node.js
• npm
• Mailgun account
• Running Redis instance

Instructions

1. Clone the repository.

2. Install dependencies: npm install.

3. Create a .env file (never committed to version control) with the following fields:

   MAILGUN_API_KEY=your_mailgun_api_key
   REDISHOST=your_redis_hostname_or_ip
   REDISPASSWORD=your_redis_password
   MAILGUN_DOMAIN=your_mailgun_domain
   
   

Start

    `node index.js`

    `it listen to port localhost:9543` expose port according to your requirement

documentations

License