blob: d7245cc71fa5b6697d3a819f66e66231e02c9b0a (plain
Still in firefox 45, I found this in the console on roundcube:
Public-Key-Pins: The certificate used by the site was not issued by a certificate in the default root certificate store. To prevent accidental breakage, the specified header was ignored.
I'm not sure why as Firefox does accept Let's Encrypt certificates otherwise...