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This is the mail system at host smtp-***.goope.jp.I'm sorry to have to inform you that your message could notbe 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 candelete your own text from the attached returned message.The mail system<****@example.com>: host 127.0.0.1[127.0.0.1] said: 554 5.7.0 Reject,id=**** - spam (in reply to end of DATA command)