Version: 1.12.2 (using KDE 4.3.2) OS: Linux Installed from: Ubuntu Packages I cannot _sign_ mail (test mails i send to myself), but i can crypt/decrypt them. Kmail complains about "wrong pass phrase" when i try to sign a mail, but it did not asked for it (and i can crypt/decrypt whith the same key and passphrase) https://bugs.launchpad.net/ubuntu/+source/kdepim/+bug/451719 100% reproducible currently.
I had this problem in the past, it works here now, using Qt-4.6.0-beta1 KDE Version 4.3.72 (KDE 4.3.72 (KDE 4.4 >= 20091015)) KMail Version 1.12.90 Thanks for reporting
*** This bug has been marked as a duplicate of bug 179997 ***