GPGMail: Mails signed with wrong signing subkey's Avatar

06 Jan, 2017 06:54 PM

I have multiple subways on my main GPG key.
One is a signing-only subkey I use to sign my git commits. It should never be used for anything else.
GPG Mail now insists on signing my emails with that subkey, and that subkey only. Even though I've set my main key in GPG preferences as default key.
I can't find a way to change this misbehaviour. Meaning I either cannot use subways at all or I can use GPG with emails XOR git.

A preference to select which signing capable subkey is used by GPGMail is required.

Additional info
The signing only subkey is (of course) newer than the main key. It seems that GPGMail is always using the newest signing capable key to sign emails which is wrong.

macOS           10.12.2     16C67
GPG Suite       2016.10     24n     (172662f)
GPGMail         2.7b1       1178b
GPG Keychain    1.3.3b1     1250n   (cda0ef2)
GPGServices     1.11        918n    (872e77d)
MacGPG2         2.0.30      882n    (660b005)
GPGPreferences  2.0.2b1     909n    (649187e)
Libmacgpg       0.7         776n    (82405d8)
pinentry        0.9.7       17n     (b75069d)
  1. Support Staff 1 Posted by Luke Le on 22 Feb, 2017 04:31 PM

    Luke Le's Avatar


    thank you for reporting this issue.
    The Sierra version of GPGMail currently picks a signing key at random. We'll investigate this issue, and this discussion will be updated once we make progress.

  2. Support Staff 2 Posted by Steve on 04 May, 2017 02:43 PM

    Steve's Avatar

    We have a ticket for this problem. I connected this discussion with the existing ticket. That means, should this discussion get closed, it will be re-opened as soon as the ticket is closed. That way you'll stay in the loop and get notified as soon as we have news. Feel free to open a new discussions should you run into further problems or need assistance.

  3. Steve closed this discussion on 04 May, 2017 02:43 PM.

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