Fortimail -> SMTPUTF8

Hi,

I would like to know, where to find the function "SMTPUTF8" in Fortimail Version V6.4.6 ?

In Version V7.4 you find it under System -  MailSetting - MailServerSettings.
https://community.fortinet.com/t5/FortiMail/Technical-Tip-How-to-avoid-email-with-UTF-8-encoding-being/ta-p/292948

This parameter doesn´t exist in the older version at that place.