Using google translator rs ..
Hello!! 
I installed the roundcube, but all messages that I send, arrive with name 
[email protected]obs. messages sent by outlook are OK
Return-Path: <
[email protected]>   <------ ERRO 
Delivered-To: 
[email protected]Received: from localhost (localhost [127.0.0.1])
    by mail.XXXXXX.com.br (Postfix) with ESMTP id 60380134094
    for <
[email protected]>; Mon, 6 Jan 2020 13:49:27 -0300 (-03)
X-Virus-Scanned: amavisd-new at XXXXXXc.com.br
Thank you!! 
			
				Não consegui identificar o problema, reinstalei tudo do zero e o servidor funcionou!