Hi, I'm trying some search in kmail. The search still empty. The folder of the search has been created but the search result still empty like the folder of search. Thank for your support.
5.1.3 is very old. We fixed a lot of bugs in new version see 5.5.x. Regards
sudo apt install kmail Reading package lists... Done Building dependency tree Reading state information... Done kmail is already the newest version (4:15.12.3-0ubuntu1).0 upgraded, 0 newly What shoudl I do more? Thanks for your support
15.12.3 is 5.1.3 => too old :) You need to verify with new kmail version 17.04 for example :)
Please ask in a forum of your distribution how to update to newer KDE software.