Software Alternatives, Accelerators & Startups

MailMock.dev VS Mailosaur

Compare MailMock.dev VS Mailosaur and see what are their differences

MailMock.dev logo MailMock.dev

Create dedicated test inboxes to catch and store development emails, validate communication flow, and debug safely. Features multi-user collaboration, and up to 90-day history. Perfect for developers to enterprises, starting at $7/month.

Mailosaur logo Mailosaur

Email Testing for QA & Development Teams.
  • MailMock.dev Inbox
    Inbox //
    2025-01-01
  • Mailosaur Landing page
    Landing page //
    2023-09-22

MailMock.dev features and specs

No features have been listed yet.

Mailosaur features and specs

  • Ease of Use
    Mailosaur provides a user-friendly interface that simplifies the testing and debugging of email workflows, making it accessible even for those with limited technical expertise.
  • API Integration
    Mailosaur offers robust API support, enabling seamless integration with various test automation frameworks and allowing developers to automate email testing processes.
  • Realistic Testing
    The platform allows for realistic testing environments by simulating real-world email clients and testing how emails appear and behave across different platforms.
  • Comprehensive Documentation
    Mailosaur provides extensive documentation and support resources, helping users troubleshoot issues and maximize the platform's potential efficiently.
  • Scalability
    Mailosaur can handle varying volumes of email testing, making it suitable for both small development teams and large enterprises needing extensive email testing capabilities.

Possible disadvantages of Mailosaur

  • Pricing
    Mailosaur can be expensive, especially for smaller teams or individual developers, potentially limiting its accessibility for some users.
  • Learning Curve
    Despite its user-friendly design, new users might face an initial learning curve in understanding how to fully leverage all the platform's features.
  • Limited Offline Functionality
    Mailosaur requires an internet connection for most functionalities, which could be a drawback for teams working in environments with limited connectivity.
  • Dependency on Third-Party Service
    Relying on an external service for email testing introduces dependency risks, such as service outages or changes in policy that could impact workflow.
  • Complex Setup for Advanced Features
    Implementing some of the more advanced testing capabilities may require technical expertise, making them hard to set up for less experienced users.

Category Popularity

0-100% (relative to MailMock.dev and Mailosaur)
Developer Tools
100 100%
0% 0
Email
18 18%
82% 82
Email Testing
24 24%
76% 76
Office Suites
0 0%
100% 100

Questions and Answers

As answered by people managing MailMock.dev and Mailosaur.

What's the story behind your product?

MailMock.dev's answer

I work for a software consulting company where we often deal with clients whose systems generate emails. In lower environments like dev or staging, email sending is typically disabled, which makes testing a nightmare. You either have to rewrite the email sending mechanisms or deal with emails never being seen by anyone involved in the project.

I tried self-hosting an SMTP server to redirect these emails, but it was more trouble than it was worth. Then, I thought, why not have a service where all you do is change the SMTP credentials to redirect those emails? That's when I decided to create MailMock, making email testing straightforward in non-production environments without the hassle.

Why should a person choose your product over its competitors?

MailMock.dev's answer

A person should choose MailMock over its competitors for several key reasons:

Simplicity: MailMock reduces the complexity of email testing to a simple change in SMTP settings. No need for extensive code changes or server management, which can be particularly appealing if you're looking for a straightforward solution.

Affordability: With a starting price of just $7 a month, MailMock offers an accessible entry point for both individual developers and larger teams, making high-quality email testing tools available without breaking the bank.

Collaborative Features: The service supports multi-user collaboration, which is crucial for teams. This feature allows multiple developers to work together on email testing, review, and debugging, fostering better team dynamics and quicker resolution of issues.

Long Email Retention: Offering up to 90 days of email history gives developers the flexibility to review past tests, understand patterns over time, and fix issues that might not be immediately apparent. This is a significant advantage for thorough testing and debugging.

Ease of Integration: MailMock is designed to integrate seamlessly with existing development environments, meaning you can get started without disrupting your current workflow or waiting for a complex setup.

Focus on Developer Needs: Unlike some competitors that might offer a broader suite of tools, MailMock focuses specifically on email testing, ensuring that the features provided are tailored to solve this particular problem efficiently.

By choosing MailMock, developers can enjoy a specialized, user-friendly, and cost-effective solution that directly addresses the challenges of email testing in development environments.

How would you describe your primary audience?

MailMock.dev's answer

MailMock's primary audience includes software developers, web and application developers, DevOps engineers, QA testers, startup teams, and educational institutions. They seek an efficient, cost-effective way to test email functionalities in development environments without managing complex email infrastructures. These users value simplicity, integration ease, and solutions that enhance productivity without demanding extensive setup or technical overhead.

Which are the primary technologies used for building your product?

MailMock.dev's answer

We're using C# for the backend and SMTP server, and React for the frontend.

User comments

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Social recommendations and mentions

Based on our record, Mailosaur seems to be more popular. It has been mentiond 8 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

MailMock.dev mentions (0)

We have not tracked any mentions of MailMock.dev yet. Tracking of MailMock.dev recommendations started around Jan 2025.

Mailosaur mentions (8)

  • Top Email Testing Scenarios with Cypress
    When setting up email tests, you might find it helpful to add some additional functionality to Cypress through integrations like those offered by Mailosaur. Mailosaur specializes in email and SMS testing, and provides an integration for Cypress that allows you to generate and check real email addresses directly within the testing environment, which means your tests can become more automated and efficient. If you... - Source: dev.to / 5 months ago
  • Zero to Hero: Email Automation with Cypress & Mailosaur
    Thatโ€™s where Mailosaur comes in! An awesome tool that helps test emails (and even SMS) in an automated way. Whatโ€™s even better? Thereโ€™s an official Cypress plugin that makes email testing a breeze for us, the Cypress fans. - Source: dev.to / 6 months ago
  • MailCatcher runs a super simple SMTP server
    This is what Mailosaur[0] offers - countries available depends on tiers though due to the number operating costs and associated regulations. [0] https://mailosaur.com. - Source: Hacker News / 11 months ago
  • MailCatcher runs a super simple SMTP server
    Open-source is good for solo and small projects, but there are commercial solutions with continuous support, etc. And other features (e.g. SMS) like Mailosaur too https://mailosaur.com/. - Source: Hacker News / 11 months ago
  • Effective Test Strategies for Testing Front-end Applications using LaunchDarkly Feature Flags and Cypress. Part2: testing
    The proper solution to tests sharing state would be randomization. Unless we are locked to real hardware - even then there is virtualization - we can randomize anything. We saw an example of this in the blog post about email testing , under the section Achieving Stateless tests with unique emails. With mailosaur any-name@unique-serverId.mailosaur.io went to that unique email server inbox, and we differentiated... - Source: dev.to / over 3 years ago
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What are some alternatives?

When comparing MailMock.dev and Mailosaur, you can also consider the following products

Mailtrap - Email Delivery Platform that delivers just in time.โ€จ Great for businesses and individuals.

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

mailslurp - Email and SMS testing and development platform for software engineers and QA testers