[U-Boot] Returned mail: see transcript for details

Hi. This is the MAILNARA program at "webmail5.mailnara.co.kr". 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.

ace@newsis.com: Sorry, no mailbox here by that name. (#5.1.1)

See the copy of the mail header and refer to the "ATTMAIL.txt" attachment file.