Version: (using KDE 4.3.2) OS: Linux Installed from: Debian testing/unstable Packages I've imported my DFN PIK certificate to kleopatra, see: http://userpage.physik.fu-berlin.de/~milianw/kleopatra_certificate.png When I now try to select the certificate from inside KMail it does not work, see: http://userpage.physik.fu-berlin.de/~milianw/kmail_smime_signing_fail.png From the normal debug output of either kleopatra or kmail I could not find anything that would help me in getting this issue solved. Is there some other log file I could look into? If not, where inside the code is the part that decides whether I can select a certificate or not? Then I could add some debug output to track this issue down. I've asked this question in #kontact before, and still idle there, if you want any more input from my side.
Thank you for taking the time to file a bug report. KMail2 was released in 2011, and the entire code base went through significant changes. We are currently in the process of porting to Qt5 and KF5. It is unlikely that these bugs are still valid in KMail2. We welcome you to try out KMail 2 with the KDE 4.14 release and give your feedback.