Mailgun vs Postfix: What are the differences?

## Introduction
This Markdown code compares the key differences between Mailgun and Postfix.

1. **Deployment Complexity**: Mailgun is a cloud-based email service that can be set up quickly without the need for server configuration, while Postfix requires manual installation and configuration on a server.
2. **Pricing Model**: Mailgun offers a pay-as-you-go pricing model based on the number of emails sent, with the first 10,000 emails free each month, whereas Postfix is an open-source software that is free to use with no restrictions on the number of emails sent.
3. **API Integration**: Mailgun provides a user-friendly API that allows easy integration with applications and platforms, enabling advanced email functionalities, while Postfix does not offer built-in API support, requiring additional programming for integrations.
4. **Feature Set**: Mailgun offers advanced features like email tracking, analytics, spam filtering, and bounce management out of the box, making it suitable for businesses with complex email requirements, unlike Postfix which is a basic mail transfer agent with limited features.
5. **Support and Maintenance**: Mailgun offers 24/7 customer support and handles maintenance and updates for its service, ensuring reliability and uptime, whereas Postfix relies on community support and self-management for maintenance, potentially leading to downtime if issues arise.
6. **Scalability**: Mailgun is designed to scale effortlessly to accommodate large volumes of emails, with the infrastructure managed by the provider, while Postfix's scalability depends on the server hardware and configuration, limiting its capacity for handling high email loads.

In Summary, Mailgun and Postfix differ in deployment complexity, pricing model, API integration, feature set, support and maintenance, and scalability.