Configuring Mailgun for Email Integration

Mailgun is a popular cloud-based email delivery service that provides robust features for sending and managing emails. In this guide, we’ll demonstrate how to integrate Mailgun with your FastAPI application to send emails for user registration, password resets, or other notifications.

Installing Requirements

Install the requests and mailgun libraries:

Bash

pip install requests mailgun

Configuring Mailgun

Create a Mailgun account and obtain your API key and domain.

Set environment variables:

Bash

export MAILGUN_API_KEY=your_api_key

export MAILGUN_DOMAIN=your_domain

Sending Emails

Python

from fastapi import APIRouter
import requests

router = APIRouter()

@router.post("/send-email")
async def send_email(recipient_email: str, subject: str, body: str):
    url = f"https://api.mailgun.net/v3/{MAILGUN_DOMAIN}/messages"
    auth = ("api", MAILGUN_API_KEY)

    data = {
        "from": "[email protected]",
        "to": recipient_email,
        "subject": subject,
        "text": body
    }

    response = requests.post(url, auth=auth, data=data)
    response.raise_for_status()

    return {"message": "Email sent successfully"}

Additional Factors

• Email Templates: Consider using email templates to create consistent and visually appealing emails.
• Attachments: You can attach files to your emails using the Mailgun API.
• Email Verification: Implement email verification to ensure that emails are sent to valid addresses.
• Error Handling: Handle potential errors that may occur during email delivery.
• Security: Protect your API key and avoid exposing it in your code.

By integrating Mailgun with your FastAPI application, you can easily send emails for various purposes, enhancing the user experience and communication capabilities of your application.