Mailfence blog: SSL certificate

This is a follow up of last blog post Mailfence launches new blog, and provide details over the SSL/TLS certificate for this blog.


A modern browser should automatically check the validity of the Mailfence blog SSL/TLS certificate and alert you if it detects something untrustworthy. For security conscious users who want to manually check, our blog SSL/TLS certificate fingerprints/thumbprints (valid until 16/November/‎2022) are:

SHA1 fingerprint:


SHA-256 fingerprint:


If this matches what you see in your browser, then you know you are communicating with the real Mailfence blog website and using the correct public key to encrypt your sensitive information and only Mailfence blog can decrypt it.

Next update date: November 2022


  • For Chrome:
    1. Click on the lock button in front of the URL.
    2. Click on the Certificate.
    3. In Details tab, show All and verify the Thumbprint matches the one above (SHA1).
  • For Firefox:
    1. Click on the lock button in front of the URL and click on More Information.
    2. Go to Security and click on View Certificate.
    3. In General, verify the Fingerprints (SHA1 & SHA-256) matches the one’s above.
  • For Safari:
    1. Click on the lock button in front of the URL.
    2. Select Show Certificate, in Details scroll to the bottom of the page.
    3. Verify the Fingerprints (SHA1 & SHA-256) matches the one’s above.

Note: Make sure, in your browser, you are looking at the leaf certificate (

At Mailfence – a secure and private email service, we believe in following good security practices, to contribute in providing you a secure and private email solution.

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Mailfence Team

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Mailfence Team

End-to-end encrypted e-mail service that values and respects your privacy without compromising the ease-of-use. @mailfence @mailfence_fr

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