> On Feb 2, 2016, at 12:11 AM, Roman Doe <roman.doe...@gmail.com> wrote: > > Knowing that they can only have their header rewritten if they message > another @mydomain.com address. > > On Tue, Feb 2, 2016 at 6:10 AM, Roman Doe <roman.doe...@gmail.com> wrote: > In the manner of a remailer, I want that 2 users registered on my website can > speak with each other using their personal gmail address without displaying > their @gmail.com , but instead displaying their @mydomain.com address.
http://www.postfix.org/postconf.5.html#local_header_rewrite_clients -- Viktor.