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Aug 18, 2024
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mail/thunderbird: add instructions & warnings #457

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mail/thunderbird: add instructions & warnings
snqk Aug 17, 2024
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mail/thunderbird: fix typo
snqk Aug 17, 2024
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7 changes: 7 additions & 0 deletions README.md
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Expand Up @@ -45,6 +45,7 @@ To suggest an improvement, send a pull request or open an [issue](https://github
+ [Chained GnuPG agent forwarding](#chained-gnupg-agent-forwarding)
* [Using multiple YubiKeys](#using-multiple-yubikeys)
* [Email](#email)
+ [Thunderbird](#thunderbird)
+ [Mailvelope](#mailvelope)
+ [Mutt](#mutt)
* [Keyserver](#keyserver)
Expand Down Expand Up @@ -1670,6 +1671,12 @@ See discussion in Issues [#19](https://github.com/drduh/YubiKey-Guide/issues/19)

YubiKey can be used to decrypt and sign emails and attachments using [Thunderbird](https://www.thunderbird.net/), [Enigmail](https://www.enigmail.net) and [Mutt](http://www.mutt.org/). Thunderbird supports OAuth 2 authentication and can be used with Gmail. See [this EFF guide](https://ssd.eff.org/en/module/how-use-pgp-linux) for more information. Mutt has OAuth 2 support since version 2.0.

### Thunderbird

Follow [instructions on the mozilla wiki](https://wiki.mozilla.org/Thunderbird:OpenPGP:Smartcards#Configure_an_email_account_to_use_an_external_GnuPG_key) to setup your YubiKey with your thunderbird client using the external gpg provider.

**Important** Thunderbird [fails](https://github.com/drduh/YubiKey-Guide/issues/448) to decrypt emails if the ASCII `armor` option is enabled in your `~/.gnupg/gpg.conf`. If you see the error `gpg: [don't know]: invalid packet (ctb=2d)` or `message cannot be decrypted (there are unknown problems with this encrypted message)` simply remove this option from your config file.

### Mailvelope

[Mailvelope](https://www.mailvelope.com/en) allows YubiKey to be used with Gmail and others.
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