
Description: SMTPeter is an open-source email server software designed for small businesses and developers. It allows you to send, receive, and manage emails on your own servers with features like spam filters, email aliases, user management, and analytics.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API