[WWW FUG-BR] FUG-BR / Grupo Brasileiro de Usuarios de FreeBSD: Problemas para envio na lista

[Ataliba]

Este é um e-mail de contato via http://www.fug.com.br de
Ataliba <ataliba em ataliba.eti.br>

Olá, já tem alguns dias que eu estou tentando participar da lista do fug e vira e mexe as mensagens voltam. Já mandei email para o pessoal do suporte da dreamhost e eles não acharam nada. 
Há algum problema, ou devo grudar neles para eles resolverem ? 

------------------------------------------------------------

This is the Postfix program at host spunkymail-a7.dreamhost.com.

I'm sorry to have to inform you that your message could not be
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to 

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

			The Postfix program

 (expanded from ): host
    sumo.dreamhost.com[66.33.216.29] said: 554 :
    Relay access denied (in reply to RCPT TO command)

Reporting-MTA: dns; spunkymail-a7.dreamhost.com
X-Postfix-Queue-ID: 829D55B5AB
X-Postfix-Sender: rfc822; ataliba em ataliba.eti.br
Arrival-Date: Sun, 13 Aug 2006 14:24:40 -0700 (PDT)

Final-Recipient: rfc822; freebsd em lists.fug.com.br
Original-Recipient: rfc822; freebsd em fug.com.br
Action: failed
Status: 5.0.0
Diagnostic-Code: X-Postfix; host sumo.dreamhost.com[66.33.216.29] said: 554
    : Relay access denied (in reply to RCPT TO
    command)