Mailosaur

Transactional Email & Email API

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This testing and preview platform validates email and SMS interactions by providing end-to-end verification of common user flows—such as sign-ups, password resets, passwordless logins, and multi-factor authentication—using dedicated test inboxes, virtual SMTP servers, and programmable rules to reproduce real-world scenarios across multiple clients, devices, and modes. Its features include cross-client email previews across Gmail, Outlook and mobile apps; automated test orchestration with CI/CD integrations for popular frameworks; API access and SDKs for custom workflows; domain hosting options for branded addresses; content and layout checks for subject lines, headers, links, and dark mode; security and compliance with ISO 27001 and GDPR; and scalable collaboration for developers, QA engineers, product managers, and marketing teams to ship faster, reduce flaky tests, and improve reliability of messages.

Mailosaur can be found in Transactional Email & Email API categories.

The most similar products to Mailosaur are:

MailViewr Verified profile Promoted → Mailinator → Imitate Email →

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Details

Mailosaur Main Features

• SMS Testing
  Simulate SMS messages for things like identity checks, alerts, and promotions.
• Email Testing
  Create tests to check if important emails like account verification and password resets work correctly.
• Plug and Play
  Use ready-made code snippets to start testing quickly.
• Custom Domains
  Use unlimited email addresses that match your brand for testing.
• Deliverability
  Find out why your emails might go to spam and fix those issues.
• Email Previews
  See how your email will look in different email programs like Gmail and Outlook.
• Enterprise SSO
  Keep your organization secure with a single sign-on system.
• Automated Rules
  Set up rules that automatically handle different email situations, like bounces or out-of-office replies.
• Links and Codes
  Make sure you are sending the right links and codes every time.
• Forwarding Rules
  Automatically send your emails to specific inboxes using set rules.
• Message Analysis
  Check the quality of your email content to ensure it is good.
• Global SMS Coverage
  Get unique international phone numbers for testing without using your own phone.
• Get Going in Minutes
  Follow guides and get help from our team to start your tests fast.
• Virtual SMTP Servers
  Use Mailosaur as a fake SMTP server to catch all emails sent by your product.
• Simulate Real Scenarios
  Test how everything works together in real situations, like account recovery.
• Two-Factor Authentication
  Test one-time passwords across email and SMS easily with a few lines of code.
• Works with Any Testing Framework
  Easily add Mailosaur features to the tools you already use for testing.
• Sending, Replying and Forwarding Emails
  Easily manage email and SMS interactions without issues.

Mailosaur Benefits

• Quick setup
  Getting started quickly means less waiting and more testing.
• End-to-end testing
  Testing all steps of a process ensures everything works as it should.
• Global SMS coverage
  Accessing international numbers allows testing without using personal phones.
• View email previews
  Seeing how emails look in different clients helps avoid formatting errors.
• Comprehensive guides
  Helpful guides make it easier for users to learn how to test effectively.
• Automate SMS messages
  This allows for quick communication for alerts and promotions without manual effort.
• Improve email quality
  Better quality emails mean fewer mistakes and a better experience for users.
• Simulate real scenarios
  Testing real user actions ensures that everything works smoothly for customers.
• Targeted email campaigns
  Sending the right messages to the right people increases the chances of success.
• Demo products effectively
  Using email and SMS in demos helps show how the product works in real life.
• Use unique email addresses
  Having different addresses for each test helps keep things organized.
• Identify deliverability issues
  Finding out why emails go to spam helps improve communication.
• Automate email and SMS workflows
  This helps save time and makes testing easier by handling many tasks automatically.
• Two-factor authentication testing
  Automating this process makes it easier to ensure security features work correctly.

Who should use Mailosaur?

• Engineers
  Engineers can automate and test email and SMS workflows, making their work faster and easier.
• Marketers
  Marketers can deliver high-quality, targeted email campaigns to reach their audience effectively.
• Product Managers
  Product Managers can demo and improve their products using email and SMS, helping them understand user needs better.
• Quality Assurance
  Quality Assurance teams can improve email quality and ensure everything works as it should.

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Mailosaur Alternatives

MailViewr

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Technologies Used

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