LunaticSMTP Alternatives

Apps similar to LunaticSMTP include Mailpit, which is free and open source. Other options are MailHog, Mailtrap, MailMug.net and FakeSMTP. You can choose from more than 10 Mail Servers like LunaticSMTP for the web, Windows, Linux, Mac and self-hosting.

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LunaticSMTP alternatives page was last updated Nov 5, 2026

MailDev
1 like
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.
Cost / License
Free
Open Source (MIT)
Since
Since 2019
Platforms
Mac
Windows
Linux
BSD
Self-Hosted
Docker
Good alternative?Is MailDev a good alternative to LunaticSMTP?
Mailocal
1 like
A local SMTP server with email display, used mostly for development of other apps. Think unlimited Mailtrap that runs on your own computer.
27 Mailocal alternatives
Cost / License
Free
Open Source (MIT)
Origin
France
EU
Since
Since 2019
Platforms
Self-Hosted
France
EU
Good alternative?Is Mailocal a good alternative to LunaticSMTP?
Maily
Like
Maily is an open-source, high-performance temporary email gateway and management platform designed to tame the disposable email zoo (Mail.tm, TempMail Plus, Temp-Mail.io, 1secmail alternatives, and more) under a single normalized REST API, async Python SDK, and dark-mode web...
Cost / License
Free
Open Source (MIT)
Application type
Disposable Email
Since
New
Platforms
Self-Hosted
Docker
+3
Good alternative?Is Maily a good alternative to LunaticSMTP?
Zyntra
1 like
Zyntra is a disposable email platform for QA teams and test automation workflows.
Cost / License
Freemium
Proprietary
Application type
Automated Testing
Origin
Ukraine
Since
Since 2025
Platforms
Online
Software as a Service (SaaS)
Ukraine
+3
Good alternative?Is Zyntra a good alternative to LunaticSMTP?
Mailsnag
Like
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.
Cost / License
Freemium
Proprietary
Application typeApplication types
Mail Server
Automated Testing
Origin
United States
Since
Since 2023
Platforms
Online
United States
+1
Good alternative?Is Mailsnag a good alternative to LunaticSMTP?
DevMail
Like
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.
Cost / License
Paid
Proprietary
Application type
Mail Server
Origin
United Kingdom
Since
Since 2024
Platforms
Online
United Kingdom
Good alternative?Is DevMail a good alternative to LunaticSMTP?
MailFixture
Like
Disposable email inboxes via API for testing signup and authentication flows, with automatic extraction of one-time passwords and magic links.
Cost / License
Freemium
Proprietary
Application type
Automated Testing
Since
Since 2026
Platforms
Online
Software as a Service (SaaS)
Good alternative?Is MailFixture a good alternative to LunaticSMTP?
Imitate Email
1 like
Imitate Email is a fake SMTP server for developers and testers. It includes an embeddable widget so that testers can quickly see sent emails alongside the app they're testing.
Cost / License
Paid
Proprietary
Origin
United Kingdom
Since
Since 2022
Platforms
Online
United Kingdom
Good alternative?Is Imitate Email a good alternative to LunaticSMTP?
Mailnest
Like
Mailnest is an all in one email QA tool for development & testing teams in IT companies to test & improve email functionality.
Cost / License
Paid
Proprietary
Origin
United Kingdom
Since
Since 2020
Platforms
Software as a Service (SaaS)
United Kingdom
+1
Good alternative?Is Mailnest a good alternative to LunaticSMTP?
MailSpons
1 like
Fake SMTP server for safe email testing. Stop accidentally spamming your customers.
Cost / License
Free
Proprietary
Application type
Mail Server
Since
Since 2019
Platforms
Online
Software as a Service (SaaS)
Good alternative?Is MailSpons a good alternative to LunaticSMTP?
S
S
SMTP Bucket
Like
A fake SMTP server for e-mail integration testing. We capture all the e-mails we receive and make them available via our website and REST API.
Cost / License
Free
Proprietary
Origin
United States
Since
Since 2016
Platforms
Online
S
Good alternative?Is SMTP Bucket a good alternative to LunaticSMTP?
fakemail.stream
Like
A fake SMTP server for software integration testing.
Cost / License
Free
Open Source (AGPL-3.0)
Application type
Mail Server
Since
Since 2024
Platforms
Online
Good alternative?Is fakemail.stream a good alternative to LunaticSMTP?