Como fazer para nao aparecer no email servidor.dominio.com.

Prezados,

Ao enviarmos as mensagens (pine / mail) o programa coloca junto ao nome do usuario onome do servidor.
EX.: Osmar Klein <[email protected]> , o correto seria [email protected] , sem o nome do servidor . O problema estah quando eh dado um replay para a pessoa, acaba voltando a mensagem:

This is the Postfix program at host willy.demec.ufpr.br.

I'm sorry to have to inform you that the message returned
below could not be delivered to one or more destinations.

For further assistance, please send mail to <postmaster>

If you do so, please include this problem report. You can
delete your own text from the message returned below.

The Postfix program

<[email protected]>: host marajo.ufpa.br[200.17.50.36] said: 553 sorry, your envelope sender domain must exist (#5.7.1)

[ Part 2: "Delivery error report" ]

Reporting-MTA: dns; willy.demec.ufpr.br
Arrival-Date: Tue, 30 Mar 2004 20:12:03 -0300 (BRT)

Final-Recipient: rfc822; [email protected]
Action: failed
Status: 5.0.0
Diagnostic-Code: X-Postfix; host marajo.ufpa.br[200.17.50.36] said: 553 sorry,
your envelope sender domain must exist (#5.7.1)