Disable smtputf8 on Postfix 3.0+ setups as Dovecot does not support it yet (#6428)

Thom · Thom · commit c7a8af2c8229 · 2023-04-28T22:00:55.000+02:00
diff --git a/install/tpl/postfix_3-0.conf.master b/install/tpl/postfix_3-0.conf.master
@@ -14,3 +14,6 @@
 # validate DANE
 smtp_dns_support_level = dnssec
 smtp_tls_security_level = dane
+
+# Disable SMTPUTF8 (until Dovecot supports it: https://git.ispconfig.org/ispconfig/ispconfig3/-/issues/6428)
+smtputf8_enable = no
