How to integrate bounce mail handler

Bounce mail handlers are used to handle email bounces, which occur when an email is undeliverable due to various reasons such as invalid email addresses, mailbox full, or temporary issues with the recipient's email server. Here's a general outline on how to integrate a bounce mail handler:

Step 1: Identify the bounce mail handler

There are various bounce mail handlers available, such as:

• Amazon SES (Simple Email Service) bounce handler
• Mailgun bounce handler
• Sendgrid bounce handler
• Custom-built bounce handler using programming languages like Python, Java, or Ruby

Choose the bounce mail handler that best fits your needs.

Step 2: Set up the bounce mail handler

Follow the setup instructions provided by the bounce mail handler you've chosen. This may involve:

• Creating an account with the bounce mail handler
• Setting up a webhook or API key
• Configuring the bounce mail handler to receive bounce notifications

Step 3: Integrate the bounce mail handler with your email service

Integrate the bounce mail handler with your email service, such as:

• Amazon SES
• Mailgun
• Sendgrid
• Your custom email server

This may involve:

• Configuring your email service to send bounce notifications to the bounce mail handler
• Setting up a webhook or API key to receive bounce notifications
• Implementing a script or program to handle bounce notifications

Step 4: Handle bounce notifications

When a bounce notification is received, the bounce mail handler will send a notification to your script or program. Your script or program should:

• Parse the bounce notification to extract relevant information, such as the email address that bounced
• Update your email list or database to mark the email address as invalid or undeliverable
• Send a notification to your team or stakeholders about the bounced email
• Optionally, retry sending the email to the bounced address after a certain period of time

Example Code (Python)

import requests

# Set up the bounce mail handler API key
api_key = "your_api_key_here"

# Set up the email service API endpoint
email_service_endpoint = "https://your-email-service.com/api/v1/bounces"

# Define a function to handle bounce notifications
def handle_bounce(bounce_notification):
    # Extract the email address that bounced
    bounced_email = bounce_notification["email"]

    # Update the email list or database
    update_email_list(bounced_email)

    # Send a notification to your team or stakeholders
    send_notification(bounced_email)

    # Optionally, retry sending the email after a certain period of time
    retry_email(bounced_email)

# Set up a webhook to receive bounce notifications
webhook_url = "https://your-webhook-url.com/bounces"
requests.post(webhook_url, json={"api_key": api_key})

This is a basic example of how to integrate a bounce mail handler. The specific implementation will vary depending on your email service, bounce mail handler, and programming language of choice.