=KMail KMail is an email client for different GNU/Linux distributions, which was developed by KDE and is part of an "information management suite" named [[https://kontact.kde.org/components/kontact.html|Kontact]]. It is offering OpenPGP-encryption and implements the WKD-standard. ==How to enable WKD Here is a report to enable WKD by default, so that more users notice that they could easily encrypt to some of their recipients. * https://bugs.kde.org/show_bug.cgi?id=472426 (Enable checking if Open~PGP encryption is possible by default) ===in version 5.18.3 ====Result after enabling WKD: {{image:kmail_enable_wkd_result.png}} ====1.In the menu open "Settings" and click on "Configure KMail..." {{image:kmail_open_settings.png|"Configure KMail..."}} ====2.In the next window that will be opened select the account, for which you want to enable WKD, and click on "Modify..." on the right {{image:kmail_select_modify.png|Screenshot}} ====3.Open the tab "Cryptography" and activate the checkbox "Automatically encrypt messages when possible" {{image:enable_wkd.png|Screenshot}}