Papercut is described as 'Simplified SMTP server designed to only receive messages (not to send them on) with a GUI on top of it allowing you to see the messages it receives' and is an app in the office & productivity category. There are more than 25 alternatives to Papercut for a variety of platforms, including Web-based, Windows, Linux, Mac and SaaS apps. The best Papercut alternative is MailDrop, which is both free and Open Source. Other great apps like Papercut are MailGrab, Mailpit, MailHog and Mailcatch.app.
Origami SMTP was created with the idea to have a fake email server for testing purposes that supported TLS. This is because the code the developer was working on at the time had several hard coded values enforcing TLS so most other solutions would not work.
QA tool for automating end-to-end email tests. Get unlimited private email addresses and inboxes for testing new user signups, transactional emails and drip campaigns, deliverability and spam scores, etc. Integrates with your CI/CD workflow. Includes spam testing.
LunaticSMTP is a dummy SMTP server with desktop GUI for testing email sending applications.
MailDev is a simple way to test your project's generated emails during development with an easy to use web interface that runs on your machine built on top of Node.js.
Imitate Email is a fake SMTP server for developers and testers. It includes an embeddable widget so that testers can quickly see sent emails alongside the app they're testing.
Mailsnag lets you build resilient SMTP integrations while protecting you from spamming customers during testing on QA and Staging environments. It is like Chaos Monkey for SMTP integrations.
Disposable email inboxes via API for testing signup and authentication flows, with automatic extraction of one-time passwords and magic links.
A fake SMTP server for e-mail integration testing. We capture all the e-mails we receive and make them available via our website and REST API.
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