Alternatives to Mailosaur 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...

    Free Open Source Mac Windows Linux

    MailHog 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"...

    Free Open Source Mac Windows Linux

    No features added Add a feature

    FakeSMTP 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...

    Free Windows

    No features added Add a feature

    smtp4dev icon
  • Papercut

    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

    No features added Add a feature

    Papercut icon
  • MailCatcher

    MailCatcher runs a super simple SMTP server which catches any message sent to it to display in a web interface. Run mailcatcher, set your favourite app to deliver to...

    Free Open Source Mac Windows Linux

    No features added Add a feature

    MailCatcher icon
  • Mailocal

    A local SMTP server with email display, used mostly for development of other apps. Think unlimited Mailtrap that runs on your own computer.

    Free Open Source Self-Hosted

    No features added Add a feature

    Mailocal icon
  • MailSpons

    Fake SMTP server for safe email testing. Stop accidentally spamming your customers.

    Free Web Software as a Service (SaaS)

    No features added Add a feature

    MailSpons icon

Platforms

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