Undelivered Mail Returned to Sender

[Mail Delivery System]

This is the SMTP Server program at host orange.jo.

I'm sorry to have to inform you that your message could not be
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For further assistance, please send mail to <postmaster>

If you do so, please include this problem report. You can
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			The SMTP Server program

<tamertolba@maktoob.com>: host pri02.maktoob.com[67.15.231.217] said: 550
    tamertolba@maktoob.com unknown user account (in reply to RCPT TO command)
-------------- parte successiva --------------
Un messaggio incapsulato è stato rimosso...
Da:         4-LADY.NET <tp@lists.linux.it>
Oggetto :   RE: ME                                             MKFOBKQZSS
Data:       Fri, 28 Aug 2009 22:39:15 -0700
Dimensione: 4174
Url:        http://lists.linux.it/pipermail/tp/attachments/20080829/5666c44e/attachment.eml