🔧 Technologies Used

📦 System Overview

This email delivery system is built to queue, process, and send transactional emails reliably using AWS SQS and Nodemailer. It handles load efficiently, decouples send operations, and ensures delivery even under high volumes.

⚙️ Key Features

• Queue emails using AWS SQS for reliable processing
• Consume and send emails using Nodemailer with custom SMTP setup
• RESTful API to enqueue email jobs with flexible payload
• Error handling middleware for clean exception flow

📁 Folder Structure

└── 📁src
    └── 📁config
        └── aws.js
        └── database.js
        └── email.js
    └── 📁controllers
        └── emailController.js
    └── 📁middlewares
        └── errorHandler.js
    └── 📁models
        └── emailLogs.js
    └── 📁public
        └── index.html
        └── sendMail.html
    └── 📁routes
        └── emailRoutes.js
    └── 📁services
        └── emailLogService.js
        └── emailService.js
        └── sqsConsumer.js
        └── sqsProducer.js
    └── 📁utils
        └── constants.js
    └── app.js
    └── consumer.js

🚀 How It Works

1. API receives email request and pushes it to the SQS queue
2. Consumer reads the queue and sends email using SMTP/Nodemailer
3. Status and failures are logged; retries can be managed

📫 Example Payload

{
  "to": "user@example.com",
  "subject": "Welcome to Our Platform",
  "html": "
Thanks for signing up!
",
  "body": "Thanks for signing up!",
  "cc": ["cc@example.com"],
  "bcc": ["bcc@example.com"],
  "attachment": ["https://example.com/file.pdf"]
}

📧 Send an Email

👨‍💻 Developed By

Shivam Kumar – Full-Stack Developer at AAA2 Innovate Pvt. Ltd

Email: shivamraj6136@gmail.com