Free email tester

Spam Score Analysis, Subject Line and Preview Text Testing, ensuring proper Authentication and Configuration with DKIM, SPF, and DMARC, as well as thorough email Preview and Rendering Testing are all essential steps for optimizing email deliverability and engagement.

Improved Deliverability
Enhanced Open and Click-Through Rates
Real-time Spam Checks

Identify Broken Links and Images

From the perspective of an email sender, Mail Tester is important for several reasons


Mail Tester evaluates the technical aspects of an email, including DNS configuration, SPF and DKIM authentication, and DMARC policies. A high Mail Tester score indicates that the email is well-configured and less likely to be treated as spam by email service providers. This, in turn, increases the chances of your emails reaching the recipient's inbox rather than their spam folder.

Reputation Management

Mail Tester checks if the sender's IP address or domain is listed on email blacklists. If your email is associated with a blacklisted IP or domain, it can damage your sender's reputation. A good Mail Tester score ensures that your sender's reputation remains positive, crucial for long-term email deliverability.

Spam Detection

Mail Tester helps you identify potential spam triggers in your email, such as excessive spammy keywords or suspicious links. Addressing these issues reduces the likelihood of your emails being flagged as spam by spam filters.

Content Quality

Beyond technical factors, Mail Tester assesses the content of your email. It checks for common issues like broken links, missing text, and formatting problems. A well-composed email looks more professional and
improves engagement and response

User Experience

A well-structured email with properly formatted HTML and responsive design ensures recipients have a positive user experience. A good user experience can lead to higher open and click-through rates, which are essential for the success of your email campaigns.

Overall Improvement

Mail Tester provides a numerical score that reflects the quality of your email. This score serves as a benchmark and encourages email senders to improve their email practices continually. Regularly checking and striving for a high Mail Tester score can lead to more effective email campaigns and better recipient engagement.

Save on Email Delivery Costs.

Key advantages of testing your emails before sending

  • Protect your email delivery reputation.

  • Improve the inbox placement of your email messages.

  • Track email performance over time and measure ROI

  • Make data-driven decisions to continually optimize campaigns

Reduce the Risk of Sending out Emails with Errors