Mail Hardener

Misconfigured email security settings can lead to your domain being used for fraud and your legitimate messages landing in spam folders. Mailhardener provides a clear dashboard to correctly implement and monitor critical email security standards.

Built by a Dutch company in The Hague, it operates fully within EU regulations, giving you confidence in how your monitoring data is handled. Use it to take control of your domain's email reputation.

Key functions include:

• DMARC, SPF & DKIM Monitoring: Get detailed reports on all email sent using your domain, identifying both legitimate and fraudulent senders.
• Improved Deliverability: Properly configured security policies act as a strong trust signal for email providers, helping your messages reach the inbox.
• Fraud Prevention: Actively block unauthorized services from sending emails on your behalf, protecting your brand from impersonation and phishing attacks.
• Guided Setup: The service helps you generate and manage complex security records like MTA-STS and BIMI, without needing to be an expert.