Halon is a company specializing in email security and delivery solutions. They offer a powerful and flexible SMTP software designed to improve the efficiency, reliability, and security of email infrastructure for businesses. Halon's platform provides features such as email routing, robust anti-spam protection, encryption, and extensive scripting capabilities, which allow organizations to customize and optimize their email systems to meet specific needs. The company's solutions cater to a wide range of clients, including service providers and enterprises, aiming to streamline their email operations while enhancing security measures.