This is the Scanmail program at host vfmail4.u-netsurf.ne.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 Scanmail program <announce-fm@famille.ne.jp>: host riko.netsurf.ad.jp[202.233.0.83] said: 550 5.1.1 <announce-fm@famille.ne.jp>: Recipient address rejected: User unknown in virtual mailbox table (in reply to RCPT TO command)