
Mailtrap
MailHog
Mailosaur
MailCatcher
FakeSMTP
Mailcatch.app
MailMug.net
An email and SMTP testing tool with API for developers.

Beeceptor
Webhook.site
Request inspector
Mockoon
HttpMaster
Hoppscotch
API Fortress
Easy mocking of any system you integrate with via HTTP or HTTPS.
Which is more popular?
Based on our record, Mailpit should be more popular than MockServer. It has been mentioned 7 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | github.com | mock-server.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Mailpit yet.
Overall verdict
Why this product is good
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Mailpit and MockServer. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


If you would rather not pay or depend on a hosted service for CI, run a local SMTP catcher such as Mailpit as a service container in the job. It is free, open source and has an API; the pattern above is the same. - Source: dev.to / 8 days ago
If you can run a container in your test environment, Mailpit is excellent, open source and runs next to your app, and it is the better choice when everything must stay on your own network. A hosted inbox earns its place when you cannot... - Source: dev.to / 17 days ago
I'm using Mailpit, an Open Source email testing tool. It can be installed following the instructions in the Installation section of the official repository, or by using Docker. - Source: dev.to / 10 months ago
There are several strategies to solve this kind of challenge, but today we will see MockServer as a tool to resolve it. - Source: dev.to / about 2 years ago
The open-source examples are mockoon, mock-server.com, etc. Source: over 3 years ago
I've just found out MockServer and it looks awesome 🤩 so I wanted to check it out repeating the steps of my previous demo WireMock Testing which (as you can expect) uses WireMock, another fantastic tool to mock APIs. - Source: dev.to / over 4 years ago
When comparing Mailpit and MockServer, you can also consider the following products.

Modern email delivery platform for developers and product teams
Compare Mailtrap to Mailpit or MockServer:

Unblock yourself from API dependencies, and build & integrate with APIs fast. Beeceptor helps you build a mock Rest API in a few seconds.
Compare Beeceptor to Mailpit or MockServer:

MailHog is an email testing tool inspired by MailCatcher, but easier to install.
Compare MailHog to Mailpit or MockServer:

Instantly generate a free, unique URL and email address to test, inspect, and automate (with a visual workflow editor and scripts) incoming HTTP requests and emails.
Compare Webhook.site to Mailpit or MockServer:

