diff --git a/sendmail/templates/sendmail.mc.erb b/sendmail/templates/sendmail.mc.erb
index 76a611a..a4b60ea 100644
--- a/sendmail/templates/sendmail.mc.erb
+++ b/sendmail/templates/sendmail.mc.erb
@@ -51,7 +51,7 @@ FEATURE(`access_db', `hash -T<TMPF> -o /etc/mail/access.db')dnl
 FEATURE(`blacklist_recipients')dnl
 EXPOSED_USER(`root')dnl
 dnl #
-DAEMON_OPTIONS(`Port=smtp, Name=MTA')dnl
+DAEMON_OPTIONS(`Port=smtp, Name=MTA, M=A')dnl
 DAEMON_OPTIONS(`Port=submission, Name=MSA, M=Ea')dnl
 dnl #
 LOCAL_DOMAIN(`localhost.localdomain')dnl