Disable SMTPUTF8 by default

confd/conf.d/setup_main.toml

@@ -3,30 +3,31 @@ src = "setup_main.tmpl"
 dest = "/start.d/setup_main"
 mode = "0755"
 keys = [
+"/biff",
+"/message/size/limit",
 "/mydestination",
-"/myhostname",
 "/mydomain",
+"/myhostname",
 "/mynetworks",
 "/mynetworks/style",
-"/virtual/alias/maps",
-"/virtual/mailbox/maps",
-"/virtual/transport",
-"/virtual/mailbox/domains",
-"/smtpd/sasl/path",
-"/smtpd/sasl/type",
-"/smtpd/sasl/auth/enable",
-"/smtpd/tls/cert/file",
-"/smtpd/tls/key/file",
 "/smtp/tls/security/level",
-"/smtpd/tls/security/level",
-"/smtpd/tls/auth/only",
-"/smtpd/tls/session/cache/database",
 "/smtpd/client/restrictions",
 "/smtpd/data/restrictions",
-"/smtpd/helo/restrictions",
-"/smtpd/relay/restrictions",
-"/smtpd/recipient/restrictions",
-"/message/size/limit",
 "/smtpd/helo/required",
-"/biff",
+"/smtpd/helo/restrictions",
+"/smtpd/recipient/restrictions",
+"/smtpd/relay/restrictions",
+"/smtpd/sasl/auth/enable",
+"/smtpd/sasl/path",
+"/smtpd/sasl/type",
+"/smtpd/tls/auth/only",
+"/smtpd/tls/cert/file",
+"/smtpd/tls/key/file",
+"/smtpd/tls/security/level",
+"/smtpd/tls/session/cache/database",
+"/smtputf8/enable",
+"/virtual/alias/maps",
+"/virtual/mailbox/domains",
+"/virtual/mailbox/maps",
+"/virtual/transport",
 ]