Postfix vs Postmark: What are the differences?
# Introduction
1. **Pricing Model**: Postfix is open-source software that is free to use, while Postmark is a paid email delivery service with tiered pricing based on the number of emails sent.
2. **Support and Documentation**: Postfix relies on community support and documentation, whereas Postmark offers dedicated customer support and comprehensive documentation.
3. **Email Deliverability**: Postfix requires manual set up and configuration for optimal email deliverability, whereas Postmark provides reliable email deliverability out of the box.
4. **Analytics and Tracking**: Postfix does not offer built-in analytics or tracking tools, while Postmark provides detailed insights and tracking information for sent emails.
5. **API Integration**: Postfix does not have built-in API integration capabilities, while Postmark offers a robust API for seamless integration with other applications.
6. **Spam Prevention**: Postfix lacks advanced spam prevention features, whereas Postmark utilizes sophisticated algorithms to reduce the likelihood of emails being marked as spam.
In Summary, Postfix is an open-source email server software with manual configuration requirements, while Postmark is a paid email delivery service offering comprehensive features and reliable deliverability.