
Description: SMTP Bucket is an email testing and debugging tool that allows you to capture, view, and analyze outbound email traffic without sending it to recipient inboxes. It provides a fake SMTP server to connect email clients or apps to, logs all email activity, and gives you tools to inspect messages.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: MailDev is an email testing and debugging tool for developers. It allows you to intercept, view, and manipulate emails sent from your local development environment without actually sending them over the internet. Useful for testing email functionality in web apps.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API