The View option of KMail2 to "disable Emoticons" is not permanent. When KMail2 is restarted the enabled option reverts to disabled and has to be manually re-enabled -- each time.
Git commit 8f34f7d882bbe21137c86a7d5d0f05d6d160d3c1 by Laurent Montel. Committed on 14/02/2018 at 07:55. Pushed by mlaurent into branch 'master'. Fix Bug 389592 - KMail2 View "disable Emoticons" option is not permanent FIXED-IN: 5.8.0 M +4 -0 messageviewer/src/settings/messageviewer.kcfg.cmake M +5 -0 messageviewer/src/viewer/viewer_p.cpp https://commits.kde.org/messagelib/8f34f7d882bbe21137c86a7d5d0f05d6d160d3c1
*** Bug 390439 has been marked as a duplicate of this bug. ***
*** Bug 390560 has been marked as a duplicate of this bug. ***