Jameson Graef Rollins <jrollins@finestructure.net> writes:

> I just wanted to note on-list that I've run into what I think is a GMIME
> bug having to do with encrypted messages.  I think this has been
> mentioned on IRC, but I wanted to document it here (so that we can tag
> it with our new bug tracker!).
>
> Decryption of messages that are both signed and encrypted seems to fail
> if the signers key is not present in the users keyring.  I don't see any
> reason why decryption should fail, since it shouldn't have anything to
> do with the signer.  The message should decrypt, and there should only
> be a signature verification error.
>
> I haven't checked to see if this has been reported upstream or not.
> I'll try to look into it.
>

This bug seems to be (some time ago) marked fixed upstream

     https://bugzilla.gnome.org/show_bug.cgi?id=677088

Can you still see the bug in notmuch?

d