Hi Trying to register using the FIDO2 option and am getting:

Registration status: invalid root certificate

First time using a FIDO2 device so any help is much appreciated.

Rup

14 days later

Hi,

I’m 100% sure you’ll all be absolutely delighted that this has been resolved and is working beautifully.

Thanks for all the help, it really made a difference.. ;-)

Rup

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10 days later

Dear Rupert, may I ask how it was resolved? I have FEITIAN FIDO2 key and I am still getting "Registration status:
invalid root certificate" My mailcow is fully upgraded od latest Debian 11. Thanks.

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