This is the mail system at host smtpsrv.playnet.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 contact Playnet Helpdesk Support.

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

                   The mail system

<mauro882-IWqWACnzNjyonA0d6jMUrA@public.gmane.org>: host imp-2.mail.tiscali.it[213.205.33.249] said: 550
    5.1.0 <containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org> SPF Failed - not authorized
    (in reply to MAIL FROM command)

<2037342paolopop-8cRKiK8W3qA@public.gmane.org>: host mx.mail.inet.it[213.92.5.130] said: 550 #5.1.0
    Address rejected 2037342paolopop-8cRKiK8W3qA@public.gmane.org (in reply to RCPT TO command)

<ice.clara-gH+WsCr1+wQ1GQ1Ptb7lUw@public.gmane.org>: host mxmi.virgilio.it[212.48.20.23] said: 550 RCPT
    TO:<ice.clara-gH+WsCr1+wQ1GQ1Ptb7lUw@public.gmane.org> User unknown (in reply to RCPT TO command)