- Mailgun API as primary email provider
- AWS SES kept as fallback
- Improved email templates with modern styling
- Environment vars: MAILGUN_API_KEY, MAILGUN_DOMAIN
- Implemented backend/services/email_service.py with boto3 SES client
- Added EmailService class with verification and password reset methods
- Updated auth router to use the new email service
- Configured docker-compose.yml to pass AWS SES environment variables
