Email security monitoring for businesses.
Mailtower helps businesses protect their domains and email communication against spoofing, phishing, and email fraud.
Monitor your SPF, DKIM, and DMARC configuration, detect security weaknesses, and get actionable recommendations to improve your email security.
Hosted in Germany and developed in Austria, Mailtower keeps your data within the European Union.
Monitor the security configuration of your domains:
- SPF — Verify your authorized mail servers
- DKIM — Check your email signing configuration
- DMARC — Monitor your domain protection and enforcement policy
- DNS Security — Detect missing or misconfigured email security records
Identify weaknesses before they become a security problem.
Mailtower helps you detect:
- Missing or misconfigured authentication records
- Weak or incomplete DMARC policies
- Potential spoofing risks
- Email security configuration issues
Don't just find problems — understand how to fix them.
Mailtower provides clear recommendations to help you improve your domain's email security without requiring deep knowledge of email infrastructure.
Open-source email header analysis directly in your browser.
Analyze email headers without uploading them to a server. Processing happens locally in your browser, keeping sensitive email information private.
Email remains one of the most common entry points for phishing, impersonation, and fraud.
Mailtower helps you:
- 🛡️ Protect your domain against email spoofing
- 🎣 Reduce phishing risks and domain impersonation
- 🔍 Identify security weaknesses in your email configuration
- 💡 Get actionable recommendations instead of just technical results
- 🇪🇺 Keep data within the EU
Mailtower is developed and operated from Austria and hosted in Germany.
Your data remains within the European Union, providing a strong foundation for businesses that care about data sovereignty, privacy, and regulatory requirements.
Mailtower — Know your email security. Protect your domain.
