LunaticSMTP Alternatives and Similar Software

Alternatives to LunaticSMTP for Windows, Mac, Linux, Software as a Service (SaaS), Web and more. Filter by license to discover only free or Open Source alternatives. This list contains a total of 15 apps similar to LunaticSMTP.

LunaticSMTP is a dummy SMTP server with desktop GUI for testing email sending applications. If you're looking for more info about LunaticSMTP like screenshots, reviews and comments you should visit our info page about it. Below you find the best alternatives.

The list of alternatives was last updated: 3/31/2020 3:42:00 PM

Alternatives to LunaticSMTP for all platforms with any license

  • MailHog

    MailHog is an email testing tool inspired by MailCatcher, but easier to install. - Configure your application to use MailHog for SMTP delivery - View emails in the web UI, or through JSON API - Release messages to real SMTP servers for delivery

    Free Open Source Mac Windows Linux Docker

    MailHog icon
  • Papercut

    Ever need to test emails from an application, but don't necessarily want it sending them out? Don't want to hassle with pointing it to a physical SMTP server? All you want to is verify it can send email, and take a look at the message. Papercut is the answer. Papercut is a 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.

    Free Open Source Windows

    Papercut icon
  • smtp4dev

    Dummy SMTP server that sits in the system tray and does not deliver the received messages. The received messages can be quickly viewed, saved and the source/structure inspected. Useful for testing/debugging software that generates email.

    Free Windows

    smtp4dev icon
  • FakeSMTP

    FakeSMTP is a Free Fake SMTP Server with GUI for testing emails in applications easily. It is written in Java. Configure your application to use "localhost" as your SMTP server, and all emails will be intercepted and displayed in this software.

    Free Open Source Mac Windows Linux

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  • Origami SMTP

    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. Those that appeared they might work often crashed when dealing with TLS. Origami SMTP was born first focusing on getting enough of the SMTP protocol working to test it. After that STARTTLS (TLS) support was added.

    Free Open Source Mac Windows Linux BSD

    Origami SMTP icon
  • Mailosaur

    Mailosaur lets QA & Development Teams capture and test email as part of manual and automated testing. Create virtual SMTP servers, with unlimited email addresses while you build, test and present your product. Mailosaur works with any language or framework, with client libraries (SDKs) for all major languages and a superb API for automated end-to-end testing. https://mailosaur.com/docs/ https://mailosaur.com/docs/client-libraries/

    Commercial $ $ $ Web

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  • DummySMTP

    DummySMTP allows you to test the email functionality of your applications, without setting up multiple test email addresses and cluttering your inbox. It doesn’t matter who the emails are addressed to, they end up in your DummySMTP mailbox. Simply sign in and use the SMTP connection setting in your application.

    Free Software as a Service (SaaS)

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