mailmodo-hamburger Email Testing Tool

A simple developer tool for automating end-to-end email tests. Get unlimited email addresses and mailboxes for testing new user signups, transactional emails, drip campaigns, deliverability, spam scores, and more - with our GraphQL API.

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What is Email Testing Tool? is an email testing tool that has proven to be a valuable resource for individuals and businesses looking to ensure the effectiveness and deliverability of their email campaigns. With its user-friendly interface and comprehensive features, allows users to easily test and analyze their emails for various factors such as deliverability, spam filters, and rendering across different email clients. By providing detailed reports and metrics, this tool empowers users to make necessary adjustments and improvements to optimize their email campaigns and reach their target audience effectively.


  • is an email testing tool.
  • It allows users to test emails without sending them to real recipients.
  • It provides a sandbox environment for email testing.
  • Users can preview HTML emails and check how they render on different devices.
  • It offers detailed email deliverability metrics for analysis.


  • is a reliable email testing tool.
  • It allows users to quickly and easily test their email campaigns before sending them out.
  • The tool offers a user-friendly interface and a range of useful features for testing email deliverability and appearance.


  • Limited to only 10 emails per day for free users.
  • Limited email template customization options.
  • Interface can be confusing for first-time users.
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