TB78: How to turn on encryption?

[Richard B. Kreckel]

I imported all my keys from GnuPG into Thunderbird 78 and wish to send an encrypted email. The recipient's public key is there in the OpenPGP Key manager. The key's status is set to verified.

The Write dialogue does not let me turn on encryption (options are greyed out). When I inspect "Message Security", it says that the recipient's status is "Not Found".

What is wrong?

[WaltS48]

Anything here helpful?

<https://support.mozilla.org/en-US/kb/openpgp-thunderbird-howto-and-faq>

--
OS: Ubuntu Linux 18.04LTS - Gnome Desktop
https://www.thunderbird.net/en-US/get-involved/
https://give.thunderbird.net/en-US/

[Richard B. Kreckel]

On Wednesday, November 25, 2020 at 2:14:18 AM UTC+1, WaltS48 wrote:
> Anything here helpful?
>
> <https://support.mozilla.org/en-US/kb/openpgp-thunderbird-howto-and-faq>

No, the FAQ doesn't seem to be helpful.
How is the "Message Security" dialogue supposed to look like a recipients with known public key?
Can anyone share a screenshot, please? I want to confirm that this looks wrong here.

[WaltS48]

Sorry, I don't use encryption.

[Richard B. Kreckel]

Solved it by importing keys using EnigMail.
The manual import did not work - it led to the situation described above.

[Roger]

On 11/25/2020 11:38 AM, Richard B. Kreckel wrote:
> Solved it by importing keys using EnigMail.
> The manual import did not work - it led to the situation described above.
>

So YOU are using the built in encryption within Thunderbird. Are there
any sources that discuss its strength?
DOES anyone use Proton encryption with Thunderbird? Or another third
party encryption program?

Richard, EnigMail is unfamiliar to me and I will look it up but does it
alter the manner in Which TBird works/looks/folders, etc?

Thank you very much

--

"Doc" in Arizona
mailto: doc@crosstactical dot com

[Arthur Conan Doyle]

Roger <rogr...@yahoo.com> wrote:

>So YOU are using the built in encryption within Thunderbird. Are there
>any sources that discuss its strength?

Thunderbird encryption is an implementation of Public Key cryptography, of which
the most famous implementation is PGP. The strength of the underlying algorithm
(AES-256) has been proven. You'll find any number of papers on the web that
address this.

Typically any weakness would be in the implementation on the sender or
receiver's computer. Those are managed by having the source code open to
inspection, which TB does.