Mail delivery failure

[virus]

****** Message from InterScan E-Mail VirusWall NT ******

Sent >>> RCPT TO:<address@hidden>
Received <<< 550 5.1.1 <address@hidden>... User unknown

Could not deliver mail to this user.

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> Subject: 
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> Your details
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> Date: 
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> Mon, 8 Sep 2003 1:48:08 +0200
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> ****** Message from InterScan E-Mail VirusWall NT ******
>
> ** WARNING! Attached file wicked_scr.scr contains:
>
>      WORM_SOBIG.F virus
>
>    It has been deleted.
>
> *****************     End of message     ***************
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> --- End Message ---