Firefox is not operable with mail.fcconnexion.net and your info is stating that there is a problem with the website. If that is the case then why using Microsoft Edge or Chrome or duckduckgo allows access?

Because they release the revocations with a delay. This is: Revoked at: Oct 22, 2026 12:26:55 AM You can check at the issuer site: https://ssltools.godaddy.com/cert-check

Sounds like felgercarb to me. It is not a solution to the problem.

Bonjour SSL Labs https://www.ssllabs.com/ssltest SSL Report :https://www.ssllabs.com/ssltest/analyze.html?d=mail.fcconnexion.net Overall Rating F, Revocation status Revoked INSECURE, at the moment, analyzed. What do the security warning codes mean https://support.mozilla.org/en-US/kb/what-does-your-connection-is-not-secure-mean Troubleshoot security error codes on secure websites https://support.mozilla.org/en-US/kb/error-codes-secure-websites https://support.mozilla.org/fr/kb/comment-regler-codes-erreur-securite-sur-sites-securises. As for me. Paramètres du réseau https://support.kaspersky.com/fr/kaspersky-for-windows/21.26/201001 L'accès à un site non digne de confiance a été empêché. Faites preuve de prudence, il semble y avoir un problème. Firefox a bloqué cette page.