[Mailman-Users] error report

[Chaw Tjia]

I've set the mailman succeed, and create newlist tjia, and i subscribed 
through web-based program, and replied by the mailman subscribe number.
when I try to repl the confirmation number, I got a message :

---------- Forwarded message ----------
Date: Thu, 5 Apr 2001 11:46:27 +0700
From: Mail Delivery Subsystem <MAILER-DAEMON at canibal.petra.ac.id>
To: chawtjia at peter.petra.ac.id
Subject: Returned mail: see transcript for details

The original message was received at Thu, 5 Apr 2001 11:46:27 +0700
from peter.petra.ac.id [202.43.253.4]

   ----- The following addresses had permanent fatal errors -----
"|/home/mailman/mail/wrapper mailcmd test"
    (reason: service unavailable)
    (expanded from: <test-request at canibal.petra.ac.id>)

   ----- Transcript of session follows -----
smrsh: wrapper not available for sendmail programs
554 5.0.0 "|/home/mailman/mail/wrapper mailcmd test"... Service unavailable

Please help me

Chaw Tjia
Network Administrator
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An embedded message was scrubbed...
From: Chaw Tjia <chawtjia at peter.petra.ac.id>
Subject: Re: Test -- confirmation of subscription -- request 724704
Date: Thu, 5 Apr 2001 11:47:41 +0700 (GMT+0700)
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Url: http://mail.python.org/pipermail/mailman-users/attachments/20010405/790a27fc/attachment.mht