
Description: MailSteward is an open-source email server software designed for enterprises and organizations. It offers robust security features like sender validation, spam filtering, and virus scanning.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: KLS Mail Backup is an email backup and archiving solution for Microsoft Exchange and Office 365. It allows automated backups of email data to ensure protection and availability.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API