See screenshot. Reproducible: Always
Created attachment 96947 [details] Screenshot
Indeed I will fix it soon.
Git commit a037495f3ed3791a5f6b1f6bfcabc75991de8891 by Montel Laurent. Committed on 01/02/2016 at 07:08. Pushed by mlaurent into branch 'Applications/15.12'. Fix Bug 358845 - Incorrect alignment of string with drop-down list FIXED-IN: 5.1.2 M +117 -108 messageviewer/src/ui/settings.ui http://commits.kde.org/kdepim/a037495f3ed3791a5f6b1f6bfcabc75991de8891