Thunderbird 78: Do not attach OpenPGP key

How to disable attaching your public OpenPGP key to outgoing messages in Thunderbird 78

Thunderbird 78 comes with a completely revamped OpenPGP integration. Several features get implemented over the course of time, but might need manual configuration. In this article, I show you how to avoid attaching your public OpenPGP key to each encrypted e-mail you send.

Currently, there is no user interface element to tweak this setting. In order to disable the feature, you need to open the Config Editor, which is in the mail client’s settings, on the first page at the bottom.

The Config Editor gives you access to a lot of options that are not visible from the user interface for a good reason. If you misconfigure things, you might make your Thunderbird installation unusable – so always keep a good backup in place and be careful what you do. Use the Config Editor at your own risk!

Depending on how many e-mail accounts you have setup, in the Config Editor, search for the settings

mail.identity.default.attachPgpKey
mail.identity.id1.attachPgpKey
mail.identity.id2.attachPgpKey

etc. and set all of these to false. In case the respective settings do not exist, you can also create them as type boolean from within the Config Editor.

Your OpenPGP key will not be automatically added to outgoing e-mails anymore.

Florian Effenberger

Autor: Florian Effenberger

Florian engagiert sich seit über 17 Jahren für freie Software und ist einer der Gründer der The Document Foundation, der Stiftung hinter LibreOffice

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