> Have you tried to make it work? > Yes, I created the mailbox test at sub.example.net, and I attempted to send a mail to it.but I got a undelivered message. The Postfix program <test at sub.example.net>: mail for sub.example.net loops back to myself Any hints ? Thanks. --- Kaiÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿÿðèb‹˜j(ÿö†Šÿ¬ºu¶§u¼˜j(þm§ÿÿm¿òj(ýÊÿ