
Description: Mercury Mail Transport System is an open-source mail transfer agent used for routing and delivering email across networks or the internet. It is designed to be fast, scalable, and reliable for enterprise-level email infrastructure.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: HyperOffice Email Service is a business email hosting platform that provides enterprise-grade email accounts, calendars, contacts, tasks, notes, and other collaboration features. It integrates with Office 365 and G Suite for seamless workflow.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API