🚀 go-pugleaf

I have tried unsucessfully to send mail to the following address
   @attmail.com:mhs!amoco!xxxxx_y_zzzzzz  (The recipient name is
	changed to protect the identity :-)

And i 've got a reject message from mailer @ attmail.com as
follows:

> From root Tue Sep  1 21:28:26 1992
> Message-Id: <9209020328.AA15774@acs1.acs.ucalgary.ca>
> From: uucp@attmail.com
> Date: 2 Sep 92 02:51:45 GMT
> To: tktran@acs.ucalgary.ca
> Report-Version: 2
> >To: internet!acs.ucalgary.ca!tktran/O=attmail
> Original-Date: Tue Sep  1 22:51:45 -0400 1992
> Mts-Message-Id: </C=US/AD=ATTMAIL/PD=AMOCO;CHIANJEM 920901225143023181>
> Confirming-Mts-Message-Id: </C=US/AD=ATTMAIL;internet2460326180>
> Confirming-Ua-Content-Id: <ternet2460326180>
> Supplementaryinfo: Unable to deliver mail due to unknown post office
> Not-Delivered-To: mhs!amoco/G=xxxxx/I=y/S=zzzzzz due to 10 Invalid Parameters
> End-Of-Header: 
> Content-Type: text
> Content-Length: 0
> 
> 

Does anyone know why the message was rejected?? Or how to send 
mail to Amoco???
-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  Trang Kim Tran                 Email: tktran@acs.ucalgary.ca 
  ACS, University of Calgary        
  Tel: (403) 220 6223            Fax: (403) 282 9199