이런 로그파일 메시지가 있네요.. 무슨 뜻인가요?? 알수가 없어

[hershy5]

Mar 12 08:17:25 haws01 sendmail[24894]: i2BNHCB24894: from=<jon9001@nyp.org>, size=147569, class=0, nrcpts=1, msgid=<4050F2BF.7050909@nyp.org>, proto=ESMTP,
daemon=MTA, relay=mail.med.cornell.edu [140.251.3.3]
Mar 12 08:17:25 haws01 sendmail[25022]: i2BNHCB24894: to=<ilsong@hallym.or.kr>, delay=00:00:07, xdelay=00:00:00, mailer=local, pri=176909, dsn=2.0.0,
stat=Sent



Mar 13 02:41:08 haws01 sendmail[7566]: i2CHf7B07566: from=<jon9001@nyp.org>, size=2347, class=0, nrcpts=1, msgid=<4051F57F.8030200@nyp.org>, proto=ESMTP,
daemon=MTA, relay=mail.med.cornell.edu [140.251.3.3]
Mar 13 02:41:08 haws01 sendmail[7582]: i2CHf7B07566: to=<ilsong@hallym.or.kr>, delay=00:00:00, xdelay=00:00:00, mailer=local, pri=31648, dsn=2.0.0,
stat=Sent



Mar 13 08:39:51 haws01 sendmail[28329]: i2CNdeB28296: to=<jon9001@nyp.org>, ctladdr=<ilsong@hallym.or.kr> (1093/300)
, delay=00:00:11, xdelay=00:00:08, mailer=esmtp, pri=149330, relay=smtp-in2.med.cornell.edu. [140.251.0.25], dsn=2.0.0
, stat=Sent (i2CNWlds042774 Message accepted for delivery)

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