Undelivered Mail Returned to Sender

[MAILER-DAEMON@xxxxxxxxxxxxxxxxxxxxxxx (Mail Delivery System)]

This is the Postfix program at host server-kla01.bolzano.cz.

I'm sorry to have to inform you that the message returned
below could not be delivered to one or more destinations.

For further assistance, please send mail to <postmaster>

If you do so, please include this problem report. You can
delete your own text from the message returned below.

                        The Postfix program

<jirina.zibovax@localhost>: unknown user: "jirina.zibovax"

Reporting-MTA: dns; server-kla01.bolzano.cz
Arrival-Date: Sun, 20 Apr 2008 10:08:22 +0200 (CEST)

Final-Recipient: rfc822; jirina.zibovax@localhost
Action: failed
Status: 5.0.0
Diagnostic-Code: X-Postfix; unknown user: "jirina.zibovax"

--- Begin Message ---

To:	"Man's response" <jirina.zibovax@xxxxxxxxxx>
Subject:	Viagra helping you
From:	"Drug Erectile" <kernprof@xxxxxxxxxxx>
Date:	Sun, 20 Apr 2008 05:52:30 +0000

Canadian heathcare - your pharmacy shop!

Canadian Healthcare is your convenient, safe and private online source
for approved pharmacy prescriptions. We sell exact generic equivalents of US FDA
approved prescription drugs through our fully-licensed pharmacies.

Visit Canadian healthcare!

________ Information from NOD32 ________
This message was checked by NOD32 Antivirus System for Linux Mail Server.
http://www.nod32.com

--- End Message ---