Problems with "attaching public key", "upload of public key" and "visualization of encryption status in drafts"

[ibum]

Hello.

My situation:

TB 60.3.3
Enigmail 2.0.9
macOS
gnupg-2.2

May I ask 3 questions?

1
How can I attach my public key to a mail
I looked in the preferences and can't find any option.

2
How can I upload my public key to a key server and get a feedback
about that?
The test system adele@gnupp.de sent me the answer "I cannot find
your public key on a keyserver"

3
How can I get a visual marker in a draft in Thunderbird, that the Mail
will be sent encrypted?

Thanks for your help.

Andreas

[Patrick Brunschwig]

1. if you just want to attach your key to a single mail, you can use the menu Enigmail > Attach Public Key in the Message Composition window. If you want to attach your key to all emails by default, you have to configure your account for it (menu Tools > Account Settings > OpenPGP Security).
2. use the Key Manager (menu Enigmail > Key Management). Right-click your key and select Upload Public Keys to Keyserver. Be aware to Adele doesn't seem to work well - I recently didn't succeed to exchange encrypted messages with Adele.
3. There is a toolbar icon for this in the Message Composition Window. If you can't see it, you need to customize the toolbar using the context menu on the toolbar.

[ibum]

Thanks for your answer Patrick.

1
I tried "Enigmail > Attach My Public Key" (not "Attach Public Key")
https://www.dropbox.com/s/tmvsf3n8zibs6u0/Screenshot%202018-12-22%2000.12.23.png
Directly after choosing the command I can't see any feedback in the draft.
https://www.dropbox.com/s/wzdhdkdco6xx15s/Screenshot%202018-12-22%2000.04.47.png
How can I proof, that the key is attached, before I send the mail, please?
And Adele told me, that she didn't received my key.

2
Are there other providers to test the encryption?

3
Thanks. Sorry, that I oversee that. My toolbar was disabled.
May be you like to think about a visualization which works without a toolbar.
With a visualization of the status directly in the head of the draft?
It is just an idea. I know that an icon of a toolbar can visualize a status, but a toolbar is just an option. Users who prefer Keyboard Shortcuts for interaction, may have the toolbar disabled.

P.S.: Is there any way to get a notification by mail, when an answer arrives in this thread?
I checked the forum preferences, but I couldn't find such an option.

[Patrick Brunschwig]

1. You can customize the toolbar and add the "Attach my Public Key" icon to the toolbar. The key will only be added during message sending - therefore you can't see it being attached immediately.
2. Not to my knowledge. If you want to, you can test with me (patrick AT enigmail DOT net)

PS: yes, you have to click on the envelope icon in the upper right corner of the thread. See attachment