[ewg] Undelivered Mail Returned to Sender

[Mail Delivery System]

This is the Postfix program at host smtp-out-01.comm2000.it.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

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 attached returned message.

			The Postfix program

<a5ec2fb1ddf.a6e57 at dueesse.it>: host smtp.dueesse.it[213.215.190.114] said: 550
    5.1.1 User unknown (in reply to RCPT TO command)
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