The original message was received at Wed, 21 Mar 2001 04:24:10 +0900
from [192.168.0.2]
    ----- The following addresses had permanent fatal errors -----
<13024****@daum.net>
    (reason: 501 5.1.8 <fia****irl@pcn****1.co.kr>... Sender domain must exist)
    ----- Transcript of session follows -----
... while talking to mx6.hanmail.net.:
>>> MAIL From:<fia****irl@pcn****1.co.kr> SIZE=1313
<<< 501 5.1.8 <fia****irl@pcn****1.co.kr>... Sender domain must exist
501 5.6.0 <1302****@daum.net>... Data format error