MailerDaemon��MAILER-DAEMON��
Hi. This is the qmail-send program at mail4.zenno.net.
I'm afraid I wasn't able to deliver your message to the following addresses.
This is a permanent error; I've given up. Sorry it didn't work out.
does not like recipient.
Remote host said: 550 : User unknown
does not like recipient.
Remote host said: 550 : User unknown
Sorry, no mailbox here by that name. か
Confirmation is this.