
Description: FakeSMTP is an open source SMTP test server that allows developers to test email sending from their applications without actually sending emails through an SMTP server. It is lightweight, easy to install, and useful for testing email functionality during development.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MailSpons is an email marketing and automation platform that allows businesses to create, send, and track email campaigns. It has drag-and-drop editors, A/B testing, automation workflows, analytics, and integrations with CRMs and e-commerce platforms.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API