On 19.11.17 23:04, Sebastian Albert wrote: > Dear List, > > I hope somebody can help me, I was unable to find a solution on the web, > and probably I have just a lack of understanding in PGP. > > My PGP key (managed by GnuPG) expired some days ago. Just before > expiration, I used the Enigmail GUI to extend it for one more year. I > uploaded this to the keyservers and it seems to have worked. > > However, when I try to sign an e-mail from this primary address now, I > have Thunderbird telling me "Send Message Error" - "Sending of the > message failed." > The Enigmail log says > 2017-11-19 22:55:44.650 [DEBUG] encryption.jsm: encryptMessageStart: own > key invalid > 2017-11-19 22:55:44.650 [ERROR] mimeEncrypt.js: caught exception: undefined > Message: 'undefined' > File: undefined > Line: undefined > Stack: undefined > > (I am not trying to use S/MIME in this context at all.) > > Another strange thing on this issue is that I have a secondary e-mail > address on that key, from which I am still able to sign e-mails without > problems. > > I am using Enigmail 1.9.8.1 (20171002-2330) with gpg (GnuPG) 2.1.20 and > libgcrypt 1.8.1 within Thunderbird 52.3.0 (64-bit) on Gentoo.
I see two possible reasons for this: a) Enigmail did not update its own key cache b) the expiry date of some subkey(s) was not extended For a) go to the Enigmail Key Manager and Reload the Key Cache (menu File). For b) check the properties of your key by double clicking on it. Then switch to the "Structure" tab. -Patrick
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