Permanent Delivery Failure

[MDaemon]

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 ONE OR MORE RECIPIENTS!

--- Session Transcript ---
 Tue 2005-07-05 08:30:58: Parsing Message <xxxxxxxxxxxxxxxxxx\pd50001946336.msg>
 Tue 2005-07-05 08:30:58: From: address@hidden
 Tue 2005-07-05 08:30:58: To: address@hidden
 Tue 2005-07-05 08:30:58: Subject:
 Tue 2005-07-05 08:30:58: Message-ID:
 Tue 2005-07-05 08:30:58: Route slip host: 80.24.184.23
 Tue 2005-07-05 08:30:58: Route slip port: 25
 Tue 2005-07-05 08:30:58: Attempting SMTP connection to [80.24.184.23 : 25]
 Tue 2005-07-05 08:30:58: Waiting for socket connection...
 Tue 2005-07-05 08:30:58: <-- 220 servidor.andreu.es ESMTP Service (Lotus 
Domino Release 6.5) ready at Tue, 5 Jul 2005 08:30:28 +0200
 Tue 2005-07-05 08:30:58: --> EHLO aimme.es
 Tue 2005-07-05 08:30:58: Socket connection established (172.16.0.100 : 2173 -> 
80.24.184.23 : 25)
 Tue 2005-07-05 08:30:58: Waiting for protocol initiation...
 Tue 2005-07-05 08:30:58: <-- 250-servidor.andreu.es Hello aimme.es 
([195.57.139.2]), pleased to meet you
 Tue 2005-07-05 08:30:58: <-- 250-HELP
 Tue 2005-07-05 08:30:58: <-- 250-SIZE
 Tue 2005-07-05 08:30:58: <-- 250 PIPELINING
 Tue 2005-07-05 08:30:58: --> MAIL From:<address@hidden> SIZE=1161
 Tue 2005-07-05 08:30:59: <-- 250 address@hidden Sender OK
 Tue 2005-07-05 08:30:59: --> RCPT To:<address@hidden>
 Tue 2005-07-05 08:31:00: <-- 550 address@hidden No such user
--- End Transcript ---
: Message contains [1] file attachments