
Description: turboSMTP is an email delivery platform designed for sending high volumes of email easily and reliably. It features drag and drop creation of email campaigns, detailed analytics and insights, inbox testing tools, advanced deliverability features, and integrates with popular email services.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: SendGrid is a cloud-based email delivery platform that helps businesses send transactional and marketing emails at scale. It provides reliable email delivery, scalability, analytics, and APIs for integration.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API