The Catalyst Internet Mail ActiveX control enables developers to easily integrate email functionality within their applications. The control implements the standard protocols for sending, receiving and composing Internet e-mail messages. The Catalyst Internet Mail ActiveX control enables developers to easily integrate email functionality within their applications. The control implements the standard protocols for sending, receiving and composing Internet e-mail messages, and can be used in a wide variety of programming languages which support ActiveX components.Designed specifically for rapid application development, a single component provides a flexible, comprehensive interface without requiring that the developer use several controls and write additional code to integrate them. A simpler, unified interface means fewer lines of source code, less complexity and reduced maintenance costs, allowing developers to focus on their core application.