GPGMail: Signing your message failed because an unknown error has occured

Avelino's Avatar


26 Jul, 2018 01:54 PM

Unfortunately we can't handle the error at this point.

Should your problem persist, please contact us at with the following error description:

gpg: signing failed: Inappropriate ioctl for device
gpg: signing failed: Inappropriate ioctl for device

Not possible send email in

macOS                   10.13.6     17G65
GPG Suite               2018.3      2223    (8d0c266)
GPGMail                 3.0b7       1319    (c2d0df0a)
GPG Keychain            1.4.4       1460    (9010342)
GPGServices             1.11.4      1013    (0b04f6c)
MacGPG                  2.2.8       916     (0ed4a99)
GPG Suite Preferences   2.1.2       997     (1a09bc7)
Libmacgpg               0.8.5       863     (0707962)
pinentry           9       (db18340)
  1. 1 Posted by Avelino on 26 Jul, 2018 02:05 PM

    Avelino's Avatar

    upgrade to latest nightlies fixed :/

  2. Support Staff 2 Posted by Steve on 29 Jul, 2018 11:20 AM

    Steve's Avatar

    Hi Avelino,

    welcome to the GPGTools support platform. Sorry you are having problems using GPG Suite.

    Good to hear this is not persisting using the nightly build.

    The error you reported may be related to a custom gpg version installed via fink/macports/brew/homebrew/from source.


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