diff --git a/rootfs/etc/confd/templates/main.cf.tmpl b/rootfs/etc/confd/templates/main.cf.tmpl
index 2a10b6a..e26a967 100644
--- a/rootfs/etc/confd/templates/main.cf.tmpl
+++ b/rootfs/etc/confd/templates/main.cf.tmpl
@@ -67,7 +67,7 @@ message_size_limit = {{getenv "MESSAGE_SIZELIMIT" "20000000"}}
 
 tls_preempt_cipherlist = yes
 
-smtputf8_enable = no
+smtputf8_enable = yes
 biff = no
 
 maillog_file = /dev/stdout