IvyServer 4.3.18 What should we set or take into account, if want server to work completly in UTF-8 (Also Emails. 1. from email element. 2. also new task mail)

IvyServer 4.3.18 What should we set or take into account, if want server to work completly in UTF-8 (Also Emails. 1. from email element. 2. also new task mail)