When choosing an MTA for your email marketing needs, look for the following features:
Deliverability: The ability to deliver emails to the recipient's inbox without being marked as spam. Scalability: The capacity to handle large volumes of emails, especially during peak times. Security: Measures like TLS encryption and DKIM to ensure the integrity and privacy of your emails. Logging and Analytics: Detailed logs and reports to monitor the performance and identify any issues. Integration: The ability to integrate with other tools and platforms you use in your email marketing strategy.