This is fixed in commit e718ce1460c6486e81eb010672506161103f5688, with the update of qt to qt-5.11.1. -- Efraim Flashner אפרים פלשנר GPG key = A28B F40C 3E55 1372 662D 14F7 41AA E7DC CA3D 8351 Confidentiality cannot be guaranteed on emails sent or received unencrypted