Have a look at this recent discussion: http://dovecot.2317879.n4.nabble.com/SMTPUTF8-support-td67266.html
> Am 09.05.2019 um 22:15 schrieb Jerry via dovecot <dovecot@dovecot.org>: > > I am trying to find out if Dovecot supports "smtputf8". Obviously, I > am looking in the wrong places, but I just cannot find a definitive > answer. > > Thanks! > > -- > Jerry
