Undelivered Mail Returned to Sender

[Mail Delivery System]

This is the mail system at host sakura.gnome.gr.jp.

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 mail system

<takeshi.aihana@gmail.com> (expanded from <aihana@gnome.gr.jp>): host
    gmail-smtp-in.l.google.com[2607:f8b0:400e:c03::1b] said: 552-5.7.0 Our
    system detected an illegal attachment on your message. Please 552-5.7.0
    visit http://support.google.com/mail/bin/answer.py?answer=6590 to 552 5.7.0
    review our attachment guidelines. r2si9879878paz.148 (in reply to end of
    DATA command)
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Un allegato non testuale è stato rimosso....
Nome:        non disponibile
Tipo:        text/rfc822-headers
Dimensione:  697 bytes
Descrizione: Undelivered Message Headers
URL:         <http://lists.linux.it/pipermail/tp/attachments/20121201/79c84a02/attachment.bin>