Might be worth looking at the recipient_bcc_maps config option. You could make a file mapping each user to your chosen bcc address, then run postmap on it.
http://www.postfix.org/postconf.5.html#recipient_bcc_maps - Steven > -----Original Message----- > From: owner-postfix-us...@postfix.org > [mailto:owner-postfix-us...@postfix.org] On Behalf Of gilbertoferreira > Sent: Monday, May 04, 2015 1:39 PM > To: postfix-users@postfix.org > Subject: Re: Postfix forward mail to other server but leaving a copy... > > And here's another complementary information: both servers deal with same > domain: @company.com