MailDrop is a free throwaway e-mail address. It's temporary. It's transient. It's disposable. It's meant for those times when you don't want to give out your real address. Just give someone any e-mail address in the maildrop.



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 Mailpit, MailHog, Mailcatch.app and Email.ML.
MailDrop is a free throwaway e-mail address. It's temporary. It's transient. It's disposable. It's meant for those times when you don't want to give out your real address. Just give someone any e-mail address in the maildrop.




MailHog is an email testing tool inspired by MailCatcher, but easier to install.

An email sandbox to inspect and debug emails in dev, staging, and QA environments before sending them to recipients in production.

A minimalist temporary email service. Privacy-friendly, valid for 1 hour, AD friendly, 100% run on Cloudflare.

Mailtrap is an Email Delivery Platform for businesses and individuals to Test, Send, and Control their email infrastructure performance.



FakeSMTP is a Free Fake SMTP Server with GUI for testing emails in applications easily. It is written in Java.



Capture SMTP traffic from staging and dev environments. Easily validate email content text or HTML/CSS. Utilize an Email Sandbox to thoroughly examine and troubleshoot emails within staging, development, and quality assurance (QA) environments prior to sending them to recipients...



Email Testing for QA & Development Teams. Catch every email your product sends, analyze it's contents, follow links and test deliverability all via the Mailosaur API.

Ethereal is a fake SMTP service, mostly aimed at Nodemailer users (but not limited to). It's a completely free anti-transactional email service where messages never get delivered.


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.

