Mailtrap Email Testing Tool

Mailtrap is an Email Delivery Platform that offers Email Sandbox that allows inspecting and debugging emails in staging, dev, and QA environments before sending them to recipients.

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What is Mailtrap Email Testing Tool?

Mailtrap is an email testing tool that allows users to capture SMTP traffic from staging and development environments. It offers features such as automating test flows and scenarios with a flexible API, analyzing email content for spam score, and validating HTML/CSS. With Mailtrap, users can easily configure their testing environment in just five minutes, organize testing data in one place, and quickly integrate with the testing API. It also allows users to view messages, check spam scores, validate headers, analyze HTML support across various email clients, and share test emails with their team. Additionally, Mailtrap enables users to test their email sending service by sending emails directly from their CRM or email sending service to their Mailtrap Email Testing account.


  • Capture SMTP traffic from staging and dev environments.
  • Automate test flows and scenarios with flexible API.
  • Analyze email content for spam score and validate HTML/CSS.
  • Easily share test emails with your team.
  • Setup takes less than 5 minutes.


  • Provides a secure and organized testing environment for email capture and analysis.
  • Offers a flexible API for automating test flows and scenarios.
  • Allows users to analyze email content for spam score and validate HTML/CSS.


  • Limited functionality on the free plan
  • Limited integration options with other email sending services
  • Pricing starts at $9.99 per month, which may be expensive for some users
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