Multiple Yubikeys/Smartcards and Thunderbird email client

[Brandon Anderson]

> On 7/15/2021 12:24 PM, Ingo Klöcker wrote:
>> On Donnerstag, 15. Juli 2021 03:22:47 CEST Brandon Anderson via 
>> Gnupg-users
>> wrote:
>>> I have several Yubikeys and smartcards in my setup, each with its own
>>> signing subkeys, and I use these, among other things, to sign email
>>> messages. Whenever I want to send an email on thunderbird, it demands a
>>> specific smartcard by serial number for email signing and will 
>>> refuse to
>>> use the smartcard/Yubikey plugged into the system.
>>
>> Which version of gpg are you using? If you are not using 2.3, then 
>> please
>> retry with gpg 2.3.1. Support for multiple smartcards was significantly
>> improved in 2.3.
>>
Sorry I should have included that I am using version "gpg (GnuPG) 2.3.1 
libgcrypt 1.9.3"

>
> Is this still relevent with the built-in gpg stuff of TB?
>
According to 
https://wiki.mozilla.org/Thunderbird:OpenPGP:Smartcards#Allow_the_use_of_external_GnuPG 


> Use the Thunderbird config editor (found at the bottom of 
> preferences/options), and search for 
> mail.openpgp.allow_external_gnupg. Switch the value to true.
>
> Enabling this preference will cause Thunderbird to attempt to decrypt 
> a message using GnuPG, whenever RNP fails to decrypt a message with 
> the secret keys that are available inside Thunderbird's key storage.#
>
So I do not see why its not relevant if its just passing the stuff down 
to gpg.

Sincerely,

Brandon Anderson

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