Tweet Hunter
AI-powered tool to build and monetize your X (Twitter) audience.
Marketing
Freemium
From $29/mo
Content Creation
Audience Growth
Automation
Mail-Tester
4.6
Freemium Mail-Tester is highly regarded for its accuracy and comprehensive analysis in identifying email deliverability issues.
Test the Spammyness of your Emails.
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Refined 2/22/2026
About Mail-Tester
Mail-Tester is a service designed to analyze the spamminess of emails. Users send an email to a unique address provided by Mail-Tester, and the service then analyzes the email's content, headers, and server configuration. It checks against various spam filters, blacklists, and authentication methods (SPF, DKIM, DMARC) to provide a comprehensive score. The architecture involves receiving emails, parsing them, and running a series of tests against known spam indicators. Mail-Tester helps users identify and fix issues that might cause their emails to be flagged as spam, thus improving deliverability. It caters to marketers, businesses, and developers who need to ensure their emails reach the intended recipients and not the spam folder. The service offers both a free web interface for occasional use and paid plans for more advanced features and usage.
Core Capabilities
Mail-Tester is a service designed to analyze the spamminess of emails.
Main Tasks
Authentication Check
Explore all tools that specialize in authentication check. This domain focus ensures Mail-Tester delivers optimized results for this specific requirement.
