Thunderbird + Enigmail choose key to sign message
OpenPGP addon for Mozilla Thunderbird
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Hey, I'm using Enigmail with Thunderbird for several EMail addresses and encrypted lists. The encryption of one list uses a shared secret key which is known and used by all people on the list. When I send a mail to this list I want to sign it too. Is there a way to choose which secret key is used to sign the message in Enigmail? By default Enigmail will use the secret key of my own EMail address but I would prefer to use the secret key of the list.
When I use GPG on the command line I can choose which of my secret keys I want to use to sign a message.
There is no such feature in Enigmail. The best you can do is to create a specific Identity in Thunderbird (even if it uses the same email address as the default identity), and assign the key you want to that identity.