smtp4dev Alternatives

    smtp4dev is described as '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' and is an app in the Development category. There are more than 10 alternatives to smtp4dev for a variety of platforms, including Online / Web-based, Windows, SaaS, Linux and Mac. The best alternative is Ethereal Email, which is free. Other great apps like smtp4dev are Mailtrap (Freemium), FakeSMTP (Free, Open Source), Origami SMTP (Free, Open Source) and Papercut (Free, Open Source).

    This page was last updated Jul 21, 2020

    1. 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.
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    2. Mailtrap is a fake SMTP server for development teams to test, view and share emails sent from the development and staging environments without spamming real customers.
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      Mailtrap vs smtp4dev opinions
      pros, cons and recent comments
      smtp4dev is a local system, mailtrap is an online service
      Negative comment almost 4 years ago

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    3. 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.
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    4. 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.
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      Origami SMTP vs smtp4dev opinions
      pros, cons and recent comments
      Cross-Platform with TLS support.
      Positive comment about 4 years ago

      1
      • FreeOpen Source
      • Windows
      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.
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    5. 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.
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      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      • BSD
      • JavaFX
      • Java
      LunaticSMTP is a dummy SMTP server with desktop GUI for testing email sending applications. To use it, start LunaticSMTP and configure your application to use 'localhost' as it's SMTP server. Now it will catch messages sent to it and allow you to view them.
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    6. 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.
      • FreeProprietary
      • Software as a Service (SaaS)
      DummySMTP allows you to test the email functionality of your applications, without setting up multiple test email addresses and cluttering your inbox.
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      • FreeOpen Source
      • Self-Hosted
      A local SMTP server with email display, used mostly for development of other apps. Think unlimited Mailtrap that runs on your own computer.
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    Showing 10 of 13 alternatives