On 28 Sep 2017, at 1:41, Benny Kjær Nielsen wrote:
On 27 Sep 2017, at 22:00, Robert Goldman wrote:
Whenever I try to send a message with GPG encryption, I get an
"OpenPGP encryption failed dialog box." The horrible error message
(I know -- this is GPG's fault, not MailMate's!) looks like this:
The fact that I chose to just pass on the error messages to the user
shows that I did not dare to try to “translate” them into
something more comprehensible :)
But the trust level on my recipient's key is 5 and mine is 6. So why
does this fail?
You need to sign the key, e.g., using the “GPG Keychain”
application or `gpg2`. This is not always necessary though. OpenPGP is
based on a “web of trust” and there are other ways that `gpg2`
might determine that a key is valid. The details can be found in the
“Using trust to validate keys” on [this
page](https://www.gnupg.org/gph/en/manual/x334.html).
I don't claim to understand the details of “trust” and
“validity” and I often find it confusing myself. Luckily (for me),
all this really happens outside of MailMate. If you want to debug how
MailMate uses `gpg2` then you can see how it's used by enabling the
`MmDebugSecurity` hidden preference and launching MailMate from a
Terminal window. You should be able to simply copy/paste the `gpg2`
command and the arguments provided by MailMate if you want to do what
MailMate does directly on the command line.
I hope this helps.
--
Benny
I tried out the following:
```
defaults write com.freron.MailMate MmDebugSecurity -bool YES ; open
/Applications/MailMate.app
```
...but I don't see anything in the terminal window or the console. Did
I do something wrong?_______________________________________________
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