diff --git a/tmail/Dockerfile b/tmail/Dockerfile
index 8a74e21..e3872f6 100644
--- a/tmail/Dockerfile
+++ b/tmail/Dockerfile
@@ -26,8 +26,6 @@ VOLUME /var/mail
 EXPOSE 25 110
 
 CMD twistd -n mail --bounce-to-postmaster \
-                   --esmtp \
-                   --hostname=$MAIL_NAME \
                    --maildirdbmdomain=$MAIL_NAME=$MAIL_PATH \
                    --pop3=tcp:110 \
                    --smtp=tcp:25 \