받는게 안되네여

받는게 안되서 질문드리는데요

메일이 리턴되어서 돌아왔는데요. 다음과 같은 메세지가 뜨네요

뭐가 잘못되었는지 알수 있을까요?

** THIS IS A WARNING MESSAGE ONLY **
** YOU DO NOT NEED TO RESEND YOUR MESSAGE **
**********************************************

The original message was received at Tue, 15 Apr 2003 19:18:02 +0900
from smail-104.dd.net[111.333.444.555]

----- The following addresses had transient non-fatal errors -----
<aa@aa.co.kr>

----- Transcript of session follows -----
/bin/sh: hcode: command not found
procmail: Program failure (127) of "formail -c | hcode -dk -m"
procmail: Rescue of unfiltered data succeeded
451 4.3.0 mailer local died with signal 11
Arguments: procmail -f bb@dd.net -t -Y -a -d myhi
<aa@aa.co.kr>... Deferred: local mailer (/usr/bin/procmail) exited with EX_TEMPFAIL
Warning: message still undelivered after 4 hours
Will keep trying until message is 5 days old

Reporting-MTA: dns; aa.co.kr
Arrival-Date: Tue, 15 Apr 2003 19:18:02 +0900

Final-Recipient: RFC822; aa@aa.co.kr
Action: delayed
Status: 4.2.0
Diagnostic-Code: X-Unix; 75
Last-Attempt-Date: Tue, 15 Apr 2003 23:51:54 +0900
Will-Retry-Until: Sun, 20 Apr 2003 19:18:02 +0900