Email Domain Checker

Overview

The Email Domain Checker is a web application that allows users to validate and categorize email addresses by public email, bussiness email, temporary email, disposable email using a powerful validation service along with OpenAI integration for Email Provider Detection. The application features a user-friendly interface built with React and Tailwind CSS, and it includes a backend powered by Node.js and Express. Even python module is also build for python specifc email provider detection.

Features

• Email Validation: Instantly validate email addresses to ensure they are correctly formatted and belong to valid domains by using NS Lookup along with predefined legit SMTP provider server list.
• Custom List: Has a fleixibilty to whitelist, blacklist domains before checking NSLookup and OpenAI
• AI Verification: Utilize OpenAI integration with 4o mini model to enhance the accuracy of email validation. It costs as lower as 0.75$ for 1 Lakh unknown email verification.
• Responsive Design: The application is fully responsive and works seamlessly on both desktop and mobile devices.
• User-Friendly Interface: Built with React and styled using Tailwind CSS for a modern look and feel.

Tech Stack

• Frontend:

  • React
  • TypeScript
  • Tailwind CSS
  • Vite

• Backend:

  • Node.js
  • Express
  • OpenAI API

Getting Started

Prerequisites

• Node.js (v14 or higher)
• npm or yarn
• A Vercel account for deployment (optional)

Installation

1. Clone the Repository:

   git clone https://github.com/samrathreddy/email-domain-checker.git
   cd email-domain-checker

2. Install Dependencies:

   • For the frontend:

     cd client
     npm install

   • For the backend:

     cd server
     npm install

Running the Application

1. Start the Backend:

   cd server
   node app.js

2. Start the Frontend:

   cd client
   npm run dev

3. Access the Application:

   • Open your browser and navigate to http://localhost:5173 to view the application.

Environment Variables

If you need to set up environment variables for the frontend, create a .env file in the client directory and add the following:

VITE_BACKEND_URL="Backend_Server_Url"

If you need to set up environment variables for the backend, create a .env file in the server directory and add the following:

PORT = 3000
OPENAI_API_KEY=your_openai_api_key

Contributing

Contributions are welcome! Please feel free to submit a pull request or open an issue for any enhancements or bug fixes.