MailFixture is described as 'Disposable email inboxes via API for testing signup and authentication flows, with automatic extraction of one-time passwords and magic links' and is a automated testing tool. There are more than 25 alternatives to MailFixture for a variety of platforms, including Web-based, Mac, Windows, Linux and SaaS apps. The best MailFixture alternative is Mailpit, which is both free and Open Source. Other great apps like MailFixture are MailHog, Mailcatch.app, Mailtrap and MailMug.net.
Create email addresses on demand. Send and receive real emails and attachments from code. Rest API and developer kits available.
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.
United Kingdom
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.
Sendria (formerly MailTrap) is a SMTP server designed to run in your dev/test environment, that is designed to catch any email you or your application is sending, and display it in a web interface instead of sending to real world.
Poland
EU
testmail.app is an email testing platform for developers and QA teams. Create unlimited test email addresses on the fly using namespaces and tags, with no inbox setup required. Tags make it easy to isolate emails between users and parallel test runs.
LunaticSMTP is a dummy SMTP server with desktop GUI for testing email sending applications.
DevMail is an email sandbox service for software developers. It allows developers to capture emails from various environments and inspect HTML, text, source code, raw headers, and attachments, and improve deliverability by analyzing email spam scores.
United Kingdom
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.
United Kingdom
France
