Mailsnag Alternatives

Mailsnag is described as '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' and is a Mail Server in the development category. There are more than 25 alternatives to Mailsnag, not only websites but also apps for a variety of platforms, including Mac, Linux, Windows and SaaS apps. The best Mailsnag alternative is Postfix, which is both free and Open Source. Other great sites and apps similar to Mailsnag are Mailpit, MailHog, Mailcatch.app and Mailtrap.

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Alternatives list

  1. smtp4dev icon
     7 likes
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    The fake SMTP email server for development and testing.

    Cost / License

    Application type

    Platforms

    • Windows
    • Linux
    • Mac
     
  2. Copy a direct link to this comment to your clipboard

    Create email addresses on demand. Send and receive real emails and attachments from code. Rest API and developer kits available.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Application type

    Platforms

    • Online
    • Ruby
    • C#
    • Laravel
    • JavaScript
    • Software as a Service (SaaS)
    • PHP
    • Java
    • Node.JS
     
    • MailSlurp: Developer Email API is the most popular SaaS alternative to Mailsnag.

    • MailSlurp: Developer Email API is Freemium and ProprietaryMailsnag is also Freemium and Proprietary
  3. Mailosaur icon
     10 likes
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    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.

    Cost / License

    • Subscription
    • Proprietary

    Application type

    Platforms

    • Online
     
    • Mailosaur is the most popular commercial alternative to Mailsnag.

    • Mailosaur is Paid and ProprietaryMailsnag is Freemium and Proprietary
  4. Copy a direct link to this comment to your clipboard

    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.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
     
  5. Origami SMTP icon
     2 likes
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    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.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
     
  6. Sendria icon
     3 likes
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    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.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Linux
    • Self-Hosted
    • Docker
     
    • Sendria is the most popular Self-Hosted alternative to Mailsnag.

    • Sendria is Free and Open SourceMailsnag is Freemium and Proprietary
  7. testmail.app icon
     4 likes
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    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.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Software as a Service (SaaS)
     
  8. LunaticSMTP icon
     2 likes
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    LunaticSMTP is a dummy SMTP server with desktop GUI for testing email sending applications.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • JavaFX
    • Java
     
  9.  1 like
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    Inbucket is an email testing application; it will accept messages for any email address and make them available to view via a web interface.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
     
  10. MailDev icon
     1 like
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    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.

    24 MailDev alternatives

    Cost / License

    • Free
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    • Docker
     
  11. Zyntra icon
     1 like
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    Zyntra is a disposable email platform for QA teams and test automation workflows.

    Cost / License

    • Freemium (Subscription)
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  12. Mailocal icon
     1 like
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    A local SMTP server with email display, used mostly for development of other apps. Think unlimited Mailtrap that runs on your own computer.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Self-Hosted
     
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