Mailosaur AlternativesOnly apps categorised as Mail Servers

The best Mail Server alternative to Mailosaur is Mailtrap, which is free. If that doesn't suit you, our users have ranked more than 25 alternatives to Mailosaur and eight of them are Mail Servers so hopefully you can find a suitable replacement. Other interesting Mail Server alternatives to Mailosaur are Ethereal Email, Origami SMTP, Sendria and Mailsnag.

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Mailosaur alternatives are mainly Mail Servers but may also be Disposable Email Services or Test Automations.  Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Mailosaur.
Mailosaur iconMailosaur
  10
  • ...

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.

More about Mailosaur
Mailosaur alternatives page was last updated Jul 23, 2024
  1. Mailtrap icon
     13 likes

    Mailtrap is an Email Delivery Platform for businesses and individuals to Test, Send, and Control their email infrastructure performance.

    29 Mailtrap alternatives
    Use Email Sandbox to inspect and debug emails in staging, dev, and QA environments before sending them to recipients in production.

    License model

    • FreemiumProprietary

    Application type

    Platforms

    • Online

    Mailtrap Features

    1.  Email Verification
    2.  Email testing
    3.  REST API
    4.  Transactional Email
    5.  Email Forwarding
    6.  Email validation
    7.  Email tracking
    Mailtrap iconMailosaur Icon

    Mailtrap VS Mailosaur

    Is Mailtrap a good alternative to Mailosaur?
     
  2. Ethereal Email icon
     2 likes

    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.

    25 Ethereal Email alternatives
    Email preview screen

    License model

    • FreeProprietary

    Application type

    Platforms

    • Online

    Ethereal Email Features

    1.  SMTP Support
    2.  IMAP Support
    3.  POP3 Support
    4.  Email testing
    Ethereal Email iconMailosaur Icon

    Ethereal Email VS Mailosaur

    Is Ethereal Email a good alternative to Mailosaur?
     
  3. Origami SMTP icon
     2 likes

    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.

    23 Origami SMTP alternatives
    Origami SMTP screenshot 1

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD

    Origami SMTP Features

    1.  Support for TLS
    2.  Email testing
    3.  SMTP Support
    Origami SMTP iconMailosaur Icon

    Origami SMTP VS Mailosaur

    Is Origami SMTP a good alternative to Mailosaur?
     
  4. Sendria icon
     3 likes

    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.

    10 Sendria alternatives
    Sendria screenshot 1

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Mac
    • Linux
    • Self-Hosted
    • Docker

    Sendria Features

    1.  Email testing
    2.  REST API
    3.  Email Forwarding
    4.  SMTP Support
    Sendria iconMailosaur Icon

    Sendria VS Mailosaur

    Is Sendria a good alternative to Mailosaur?
     
    • Sendria is the most popular Self-Hosted alternative to Mailosaur.

    • Sendria is Free and Open SourceMailosaur is Paid and Proprietary
  5. Mailsnag icon
     Like this app

    Mailsnag 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.

    31 Mailsnag alternatives
    Mailbox Stats

    License model

    • FreemiumProprietary

    Platforms

    • Online

    Mailsnag Features

    1.  Ad-free
    2.  Real time collaboration
    3.  Email automation
    4.  SMTP Support
    5.  Email testing
    Mailsnag iconMailosaur Icon

    Mailsnag VS Mailosaur

    Is Mailsnag a good alternative to Mailosaur?
     
  6. fakemail.stream icon
     Like this app

    A fake SMTP server for software integration testing.

    23 fakemail.stream alternatives
    fakemail.stream screenshot 1

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Online
    fakemail.stream iconMailosaur Icon

    fakemail.stream VS Mailosaur

    Is fakemail.stream a good alternative to Mailosaur?
     
  7. MailSpons icon
     1 like

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

    26 MailSpons alternatives

    License model

    • FreeProprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)

    MailSpons Features

    1.  SMTP Support
    2.  Email testing
    3.  Debugging
    MailSpons iconMailosaur Icon

    MailSpons VS Mailosaur

    Is MailSpons a good alternative to Mailosaur?
     
  8. DevMail icon
     Like this app

    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.

    26 DevMail alternatives
    DevMail screenshot 1

    License model

    Application type

    Platforms

    • Online

    DevMail Features

    1.  Ad-free
    2.  No Tracking
    3.  Multiple Account support
    4.  Email validation
    5.  SMTP Support
    6.  Email testing
    DevMail iconMailosaur Icon

    DevMail VS Mailosaur

    Is DevMail a good alternative to Mailosaur?
     
8 of 8 Mailosaur alternatives