[Mailman-Users] Problem with ALIASES

[Usuario para TESTE]

I Having some problem with mailman, i've followed the instructions and
installed 1.0rc1, but when i try to send an E-mail to the list i receive:


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

   ----- The following addresses had permanent fatal errors -----
"|/home/mailman/mail/wrapper mailowner alunos"
    (expanded from: alunos-admin)

   ----- Transcript of session follows -----
554 "|/home/mailman/mail/wrapper mailowner alunos"... unknown mailer error 2

Reporting-MTA: dns; venom.comp.ufscar.br
Received-From-MTA: DNS; oxford.comp.ufscar.br
Arrival-Date: Mon, 14 Jun 1999 17:52:04 -0400

Final-Recipient: RFC822; alunos-admin at venom.comp.ufscar.br
X-Actual-Recipient: RFC822; |/home/mailman/mail/wrapper mailowner
alunos at venom.comp.ufscar.br
Action: failed
Status: 5.0.0
Last-Attempt-Date: Mon, 14 Jun 1999 17:52:04 -0400

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

any idea ????