
Description: Flaskmail is a Python library that makes it easy to integrate email capabilities into Flask applications. It provides a simple interface to SMTP, for sending emails, and IMAP/POP3, for receiving emails.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Mailbox.org is an email provider based in Germany that offers secure and private email accounts with end-to-end encryption. It has customizable email aliases, domains, and passwords along with built-in calendar, contacts, and cloud storage.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API