[kmail2] [Bug 328311] New: KMail doesn't let me manually select a non verified PGP key which doesn't contains the receivers address

[kolAflash]

https://bugs.kde.org/show_bug.cgi?id=328311

            Bug ID: 328311
           Summary: KMail doesn't let me manually select a non verified
                    PGP key which doesn't contains the receivers address
    Classification: Unclassified
           Product: kmail2
           Version: 4.11.2
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: composer
          Assignee: kdepim-bugs at kde.org
          Reporter: colAflash at gmx.net

I'm writing an email to a friend, who recently changed his email address. I got
his unverified!!! PGP key, which he hasn't updated with to his new email
address until now. When I try to send an encrypted email, KMail tells me:

> There are conflicting encryption preferences for these recipients.
> Encrypt this message?
> [Encrypt] [Do not encrypt] [Cancel]

That's all ok, because KMail can't autodetect the right key, because any key
contains my friends new email address.

I select [Encrypt]. The KMail gives me a dialogue to manually select a key I
want to use. I select my friends unverified key, which doesn't contains his new
email address (the one I set as receiver). But I know he can decrypt that key.
Then KMail gives me:

> It was not possible to create a message composer.

And I'm back in the composer window.
If I run KMail from shell, it gives me this message on the shell in exactly
that moment:
kontact(11836) ValidTrustedOpenPGPEncryptionKey: bad validity 0

This error only appears if the PGP key hasn't been trusted in the PGP
key-chain. If I repeat the scenario with a fully trusted key, everything is
fine. Looks like KMail forgets to bring up this dialogue, which normally
appears for non fully trusted keys.

> One or more of the OpenPGP encryption keys or S/MIME certificates for recipient "some-mail-address at example.com" is not fully trusted for encryption.
> The following keys or certificates have unknown trust level: 
> some-mail-address at example.com
> [Continue] [Cancel]

P.S.
My "Cryptographic Message Format" is set to "OpenPGP/MIME" in KMail.
(relevant???)

Reproducible: Always

Steps to Reproduce:
1. Write an encrypted email to some address you don't have a PGP key for.
2. Click send and manually select some not fully trusted PGP key to encrypt
with.
Actual Results:  
KMail jumps back to composer window, tells you
> It was not possible to create a message composer.
and puts this to stdout:
kontact(*****) ValidTrustedOpenPGPEncryptionKey: bad validity 0

Expected Results:  
Bring up this dialogue:

> One or more of the OpenPGP encryption keys or S/MIME certificates for recipient "some-mail-address at example.com" is not fully trusted for encryption.
> The following keys or certificates have unknown trust level: 
> some-mail-address at example.com
> [Continue] [Cancel]

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