
Description: Atmail is an email server software that allows organizations to host business email on their own servers instead of relying on third-party providers. It includes features like email accounts, contacts/address book, calendars, tasks, notes, chat, file storage, spam filtering, and more.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Yahoo Mail is a free email service provided by Yahoo. It offers features like unlimited storage, spam filtering, email forwarding and automatic sorting into categories. Yahoo Mail also provides easy access on mobile devices.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API