Returned mail: see transcript for details

[Mail Delivery Subsystem]

The original message was received at Mon, 15 May 2006 19:34:29 +0500
from MTA065B.interbusiness.it [85.37.17.65]

   ----- The following addresses had permanent fatal errors -----
<pos@isb.comsats.net.pk>
    (reason: 550 5.1.1 <pos@isb.comsats.net.pk>... User unknown)

   ----- Transcript of session follows -----
... while talking to isb.comsats.net.pk.:
>>> DATA
<<< 550 5.1.1 <pos@isb.comsats.net.pk>... User unknown
550 5.1.1 <pos@isb.comsats.net.pk>... User unknown
<<< 503 5.0.0 Need RCPT (recipient)
-------------- parte successiva --------------
Rimosso contenuto di tipo message/delivery-status-------------- parte successiva --------------
Un messaggio incapsulato è stato rimosso...
Da:         glug@genova.linux.it
Oggetto :   Returned mail: Data format error
Data:       Mon, 15 May 2006 16:37:59 +0200
Dimensione: 41082
Url:        http://lists.linux.it/pipermail/glug/attachments/20060515/524e4d75/attachment-0001.eml