SUMMARY If self encryption is activated for sent messages, when selecting a X.509 certificate to encrypt emails Kmail refuses to proceed. STEPS TO REPRODUCE 1. Set an X.509 certificate to sign/encrypt in current identity 2. Create a new email to a recipient there exist a valid key for, and activate encryption 3. Click send OBSERVED RESULT KMail says "no valid encryption keys are found" to encrypt for myself, even though the key is set and works perfectly (tested in Kleopatra) EXPECTED RESULT It should of course work. SOFTWARE/OS VERSIONS Operating System: Fedora Linux 35 KDE Plasma Version: 5.24.4 KDE Frameworks Version: 5.91.0 Qt Version: 5.15.2 Kernel Version: 5.16.5-200.fc35.x86_64 (64-bit) Graphics Platform: X11 Processors: 8 × Intel® Core™ i7-8550U CPU @ 1.80GHz Memory: 15.5 GiB of RAM Graphics Processor: Mesa Intel® UHD Graphics 620