> Dec 12 14:16:40 kines postfix/trivial-rewrite[12738]: > warning: do not list domain kines.dyndns.org in BOTH > mydestination and virtual_mailbox_domains Nando, I don't have much experience with using Postfix for virtual domains and Feizhou may correct me but I think Postfix does not know what to do with the mail. This error is self-explanatory. If you want a virtual mailbox domain for this domain then do not list it in mydestination. Remove $mydomain and $myhostname from mydestination. Have you thoroughly read: http://www.postfix.org/VIRTUAL_README.html Alex