Mailsnag AlternativesMail Servers and other similar apps like Mailsnag

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, Windows, Linux and SaaS apps. The best Mailsnag alternative is Mailpit, which is both free and Open Source. Other great sites and apps similar to Mailsnag are Mailcatch.app, Postfix, MailHog and Papercut.

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Mailsnag 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 Mailsnag.
Mailsnag iconMailsnag
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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.

More about Mailsnag
More about Mailsnag
Mailsnag alternatives page was last updated Oct 5, 2023
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  1. Mailpit icon
    Mailpit icon

    Mailpit

     2 likes
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    An email and SMTP testing tool with API for developers.

    32 Mailpit alternatives
    Mailpit screenshot 1

    License model

    • Free • Open Source

    Platforms

    • Mac
    • Windows
    • Linux

    Mailpit Features

    1.  Email validation
    2.  REST API
    3.  Email testing
    Mailpit iconMailsnag Icon

    Mailpit VS Mailsnag

    Is Mailpit a good alternative to Mailsnag?
     

    • Mailpit is the most popular Windows, Mac & Linux alternative to Mailsnag.

    • Mailpit is the most popular Open Source & free alternative to Mailsnag.

    • Mailpit is Free and Open SourceMailsnag is Freemium and Proprietary
  2. Mailcatch.app icon
    Mailcatch.app icon

    Mailcatch.app

     3 likes
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    An email sandbox to inspect and debug emails in dev, staging, and QA environments before sending them to recipients in production.

    20 Mailcatch.app alternatives
    Mailcatch.app screenshot 1

    License model

    • Freemium • Proprietary

    Platforms

    • Online

    Mailcatch.app Features

    1.  Email testing
    Mailcatch.app iconMailsnag Icon

    Mailcatch.app VS Mailsnag

    Is Mailcatch.app a good alternative to Mailsnag?
     

    • Mailcatch.app is the most popular Web-based alternative to Mailsnag.

    • Mailcatch.app is Freemium and ProprietaryMailsnag is also Freemium and Proprietary
  4. Postfix icon
    Postfix icon

    Postfix

     26 likes
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    Postfix is a mail transfer agent (MTA) that routes and delivers electronic mail. It attempts to be fast, easy to administer, and secure. The software is also known by its former names VMailer and IBM Secure Mailer.

    27 Postfix alternatives
    Postfix screenshot 1

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    • Linux

    Postfix Features

    1.  Mail Filtering
    Postfix iconMailsnag Icon

    Postfix VS Mailsnag

    Is Postfix a good alternative to Mailsnag?
     
  5. MailHog icon
    MailHog icon

    MailHog

     8 likes
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    MailHog is an email testing tool inspired by MailCatcher, but easier to install.

    32 MailHog alternatives
    MailHog screenshot 1

    License model

    • Free • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Docker

    MailHog Features

    1.  Portable
    2.  Email Forwarding
    3.  SMTP Support
    Discontinued

    The last version (1.0.1) is from August 2020, and the project is unmaintained. https://github.com/mailhog/MailHog/issues/442

    MailHog iconMailsnag Icon

    MailHog VS Mailsnag

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  6. Papercut icon
    Papercut icon

    Papercut

     6 likes
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    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.

    24 Papercut alternatives
    Instant Feedback When New Email Arrives

    License model

    • Free • Open Source

    Platforms

    • Windows

    Papercut Features

    1.  SMTP Support
    Rich and Detailed View of Received Email
    View and Download the Mime Sections of your Email
    +2
    In Version 4 the Raw View Returns
    Papercut iconMailsnag Icon

    Papercut VS Mailsnag

    Is Papercut a good alternative to Mailsnag?
     
  7. FakeSMTP icon
    FakeSMTP icon

    FakeSMTP

     6 likes
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    FakeSMTP is a Free Fake SMTP Server with GUI for testing emails in applications easily. It is written in Java.

    23 FakeSMTP alternatives
    Mac OS X

    License model

    • Free • Open Source

    Platforms

    • Mac
    • Windows
    • Linux

    FakeSMTP Features

    1.  Email testing
    Windows 8
    GNU/Linux (KDE)
    FakeSMTP iconMailsnag Icon

    FakeSMTP VS Mailsnag

    Is FakeSMTP a good alternative to Mailsnag?
     
  9. Mailtrap icon
    Mailtrap icon

    Mailtrap

     13 likes
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    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

    • Freemium • Proprietary

    Application type

    Platforms

    • Online
    Email API/SMTP that does the job: reaches recipients’ inboxes just in time.? Email infrastructure that ensures high deliverability by default.
    Leverage Actionable Analytics to control your email infrastructure performance. Catch and fix unexpected sending issues easy and fast.

    Mailtrap Features

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

    Mailtrap VS Mailsnag

    Is Mailtrap a good alternative to Mailsnag?
     
  10. MailCatcher icon
    MailCatcher icon

    MailCatcher

     4 likes
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    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 smtp://127.0.0.1:1025 instead of your default SMTP server, then check out http://127.0.0.

    25 MailCatcher alternatives
    MailCatcher screenshot 1

    License model

    • Free • Open Source

    Platforms

    • Mac
    • Windows
    • Linux

    MailCatcher Features

    1.  SMTP Support
    2.  Support for Javascript
    MailCatcher iconMailsnag Icon

    MailCatcher VS Mailsnag

    Is MailCatcher a good alternative to Mailsnag?
     
  11. MailSlurp: Developer Email API icon
    MailSlurp: Developer Email API icon

    MailSlurp: Developer Email API

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

    19 MailSlurp: Developer Email API alternatives
    MailSlurp: Developer Email API screenshot 1

    License model

    • Freemium • Proprietary

    Platforms

    • Online
    • Ruby
    • C#
    • Laravel
    • JavaScript
    • Software as a Service (SaaS)
    • PHP
    • Java
    • Node.JS

    MailSlurp: Developer Email API Features

    1.  REST API
    MailSlurp: Developer Email API iconMailsnag Icon

    MailSlurp: Developer Email API VS Mailsnag

    Is this a good alternative to Mailsnag?
     

    • 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
  12. Mailosaur icon
    Mailosaur icon

    Mailosaur

     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.

    27 Mailosaur alternatives
    Mailosaur screenshot 1

    License model

    Application types

    Platforms

    • Online

    Mailosaur Features

    1.  Email testing
    2.  SMS API
    3.  SMTP Support
    4.  SMS testing
    5.  POP3 Support
    6.  Email automation
    Mailosaur iconMailsnag Icon

    Mailosaur VS Mailsnag

    Is Mailosaur a good alternative to Mailsnag?
     

    • Mailosaur is the most popular commercial alternative to Mailsnag.

    • Mailosaur is Paid and ProprietaryMailsnag is Freemium and Proprietary
  13. smtp4dev icon
    smtp4dev icon

    smtp4dev

     7 likes
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    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.

    19 smtp4dev alternatives

    License model

    • Free • Proprietary

    Platforms

    • Windows

    smtp4dev Features

    1.  SMTP Support
    smtp4dev iconMailsnag Icon

    smtp4dev VS Mailsnag

    Is smtp4dev a good alternative to Mailsnag?
     
  14. DummySMTP icon
    DummySMTP icon

    DummySMTP

     3 likes
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    DummySMTP allows you to test the email functionality of your applications, without setting up multiple test email addresses and cluttering your inbox.

    26 DummySMTP alternatives
    DummySMTP screenshot 1

    License model

    • Free • Proprietary

    Platforms

    • Software as a Service (SaaS)

    DummySMTP Features

    1.  Debugging
    DummySMTP screenshot 1
    DummySMTP screenshot 2
    DummySMTP iconMailsnag Icon

    DummySMTP VS Mailsnag

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12 of 31 Mailsnag alternatives