ote: > >> As example mail from root at sx1.labs.polarion.com should be masqueraded >> to mail from root at polarion.com and etc. > > I believe in your /etc/postfix/main.cf file, just add the following: > > masquerade_domains = foo.example.com example.com > It looks like masquerade_domains = sx1.labs.polarion.com polarion.com Is it right that now sx1.labs.polarion.com should be masqueraded to polarion.com?? Unfortunatelly, it does not works. Regards, D.