Undelivered Mail Returned to Sender

This is the mail system at host www.deaf.tokyo.

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

maruko112027@i.softbank.jp: message size 8399160 exceeds size limit 4310016 of server msv.softbank.jp[117.46.9.104]

suza5963rika@softbank.ne.jp: host msv.softbank.ne.jp[117.46.9.103] said: 550 Invalid recipient: suza5963rika@softbank.ne.jp (in reply to RCPT TO command)