The attached message had PERMANENT fatal delivery errors!

After one or more unsuccessful delivery attempts the attached message has
been removed from the mail queue on this server.  The number and frequency
of delivery attempts are determined by local configuration parameters.

YOUR MESSAGE WAS NOT DELIVERED TO ANY OF IT'S RECIPIENTS!

Failed address: .oberoi@eih-india.com

--- Session Transcript ---
 Parsing Message 
 From: quixote-users@mems-exchange.org
 To: .oberoi@eih-india.com
 Subject: Re: Word file
 Message-ID:
 Queue route slip host: 210.18.28.171
 Queue route slip port: 25
 Attempting SMTP connection to [210.18.28.171 : 25]
 Waiting for socket connection...
 Socket connection established (216.110.36.102 : 2760 -> 210.18.28.171 : 25)
 Waiting for protocol initiation...
 <-- 220 corp_mail.eih-india.com Microsoft ESMTP MAIL Service, Version:
5.0.2195.6713 ready at  Wed, 10 Mar 2004 12:33:03 +0530
 --> EHLO cyberspacewebhost.com
 <-- 250-corp_mail.eih-india.com Hello [216.110.36.102]
 <-- 250-TURN
 <-- 250-ATRN
 <-- 250-SIZE
 <-- 250-ETRN
 <-- 250-PIPELINING
 <-- 250-DSN
 <-- 250-ENHANCEDSTATUSCODES
 <-- 250-8bitmime
 <-- 250-BINARYMIME
 <-- 250-CHUNKING
 <-- 250-VRFY
 <-- 250-X-EXPS GSSAPI NTLM LOGIN
 <-- 250-X-EXPS=LOGIN
 <-- 250-AUTH GSSAPI NTLM LOGIN
 <-- 250-AUTH=LOGIN
 <-- 250-X-LINK2STATE
 <-- 250-XEXCH50
 <-- 250 OK
 --> MAIL From: SIZE=993
 <-- 250 2.1.0 quixote-users@mems-exchange.org....Sender OK
 --> RCPT To:<.oberoi@eih-india.com>
 <-- 501 5.5.4 Invalid Address
--- End Transcript ---
: Message contains [1] file attachments

Please have a look at the attached file.