Mail-Tester

Mail-Tester (mail-tester.com) is a free tool that helps users analyze the quality and deliverability of their emails by checking if they are likely to be marked as spam. It generates a score based on various technical factors related to email configuration, content, and reputation.

Key Features:

• Provides a comprehensive spam score based on email testing.
• Analyzes email headers, SPF, DKIM, and DMARC records.
• Checks the email against common spam filters like SpamAssassin.
• Identifies blacklisting on popular spam databases.
• Evaluates the email content for potential spam triggers.
• Offers recommendations to improve email deliverability.
• Provides an easy-to-use interface with a temporary email address for testing.
• Detects broken links and images in the email body.

Use Cases:

• Checking email campaigns for spam triggers before sending them.
• Validating email setup and ensuring SPF, DKIM, and DMARC records are correctly configured.
• Ensuring emails are not listed on spam databases.
• Testing marketing newsletters, transactional emails, or personal emails for deliverability issues.
• Optimizing emails for better placement in recipients’ inboxes.

How Mail-Tester Works:

1. User sends an email to a unique email address generated by Mail-Tester.
2. Mail-Tester analyzes the email and provides a detailed report with a spam score.
3. The report includes feedback on technical configurations like SPF, DKIM, and DMARC, content quality, and blacklisting status.
4. Users receive actionable recommendations to improve their email’s chances of avoiding spam filters.