diff --git a/conf/postfix/main.cf b/conf/postfix/main.cf
index f435fe243..193875619 100644
--- a/conf/postfix/main.cf
+++ b/conf/postfix/main.cf
@@ -182,7 +182,7 @@ smtp_header_checks = regexp:/etc/postfix/header_checks
 smtp_reply_filter = pcre:/etc/postfix/smtp_reply_filter
 
 # Rmilter
-milter_mail_macros =  i {mail_addr} {client_addr} {client_name} {auth_authen}
+milter_mail_macros = i {mail_addr} {client_addr} {client_name} {auth_authen} {auth_type}
 milter_protocol = 6
 smtpd_milters = inet:localhost:8891
 non_smtpd_milters = inet:localhost:8891