Zeyple is not enabled by default

data/conf/postfix/main.cf

@@ -91,4 +91,4 @@ smtpd_milters = inet:rmilter:9900
 non_smtpd_milters = inet:rmilter:9900
 milter_mail_macros = i {mail_addr} {client_addr} {client_name} {auth_authen}
 mydestination = localhost.localdomain, localhost
-content_filter=zeyple
+#content_filter=zeyple