sendmail error "Data Format ..

안녕하세요.

Sendmail Send시 아래와 같은 maillog가 발생을 합니다.

왜 그런지 좀 알려 주세요.

감사합니다.

Jul 12 10:12:20 adminsvr sendmail[2148]: g6C1CGH02146: to=jjpyo@xxx.com, ctladdr
=root (0/0), delay=00:00:04, xdelay=00:00:04, mailer=esmtp, pri=60066, relay=mx1
.sun.com. [192.18.98.31], dsn=5.6.0, stat=Data format error
Jul 12 10:12:21 adminsvr sendmail[2148]: g6C1CGH02146: to=siteman@bbb.co.kr, c
tladdr=root (0/0), delay=00:00:05, xdelay=00:00:01, mailer=esmtp, pri=60066, rel
ay=kr-inmail.lycos.co.kr. [211.51.63.164], dsn=5.6.0, stat=Data format error
Jul 12 10:12:21 adminsvr sendmail[2148]: g6C1CGH02146: g6C1CLG02148: DSN: Data f
ormat error
Jul 12 10:12:21 adminsvr sendmail[2148]: g6C1CLG02148: to=root, delay=00:00:00,
xdelay=00:00:00, mailer=local, pri=30166, dsn=2.0.0, stat=Sent