I cannot encrypt without a working key associated with my identity
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My Enigmail is set to the standard convenience settings. On my netbook, i don't have a key associated with my identity.
Of the addressee I have a key. Enigmail correctly assumes that it can encrypt the mail I'm writing but not sign, and ticks these options in the composing-window.
Now I hit send and Enigmail informs me that it cannot send the mail because my identity is not connected to a key. I wonder why? I think this is a bug, but I may err...
Thanks!
mo
Thunderbird 31.1.2 - xubuntu 14.04 i386, Enigmail 1.7.2
Last edit: Moritz Molle 2014-10-05
This is not a bug. Enigmail encrypts to the recipient, but as well to yourself (the sender). Otherwise, you'll have a mail in your sent items that you cannot decrypt. In order to encrypt to yourself, you need to have a key associated to your identity.
Ah, well, that explains it. Thank you very much. As a suggestion, you could include this information into the error message, that would have had me less irritated :)
Keep up the good work, and a big thanks for this very fast answer!
The default for the latest Enigmail versions is to encrypt emails to your own key as well as the recipient, but there could be a situation where someone would want to turn that off.
If the user runs Thunderbird's Config Editor (on the Advanced tab), and uses "Search" to find the setting "extensions.enigmail.encryptToSelf", that setting could be toggled to "false".
Just don't forget about it if you create and start using a key of your own, since it's no longer configurable from Enigmail's GUI but only by using the Config Editor.
Reference:
https://www.enigmail.net/documentation/userprefs.php