stat=RSET 의 의미

안녕하세요.. 제가 메일서버를 관리하고 있는 곳이 있는데

해당 메일이 수신이 안되었다고 연락 와서 로그를 찾아봤는데

stat=RSET 라는 항목이 이는데 어떤 의미를 나타내는지 찾아볼 자료가 없네요

좋은 뜻은 아닌것 같은데.. 알고 계시는 분 있나요?

Aug 24 09:56:24 mail sendmail[32610]: k7O0uOTt032610: Milter (grtg): init success to negotiate
Aug 24 09:56:24 mail sendmail[32610]: k7O0uOTt032610: Milter: connect to filters
Aug 24 09:56:24 mail sendmail[32610]: k7O0uOTt032610: milter=grtg, action=connect, continue
Aug 24 09:56:24 mail sendmail[32610]: k7O0uOTt032610: --- 220 kiryung.co.kr ESMTP Sendmail 8.13.4/8.13.4; Thu, 24 Aug 2006 09:56:24 +0900
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: <-- EHLO ns6.sony.co.jp
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: --- 250-kiryung.co.kr Hello NS6.Sony.CO.JP [137.153.0.32], pleased to meet you
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: --- 250-ENHANCEDSTATUSCODES
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: --- 250-PIPELINING
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: --- 250-EXPN
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: --- 250-VERB
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: --- 250-8BITMIME
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: --- 250-SIZE
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: --- 250-DSN
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: --- 250-ETRN
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: --- 250-DELIVERBY
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: --- 250 HELP
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: <-- MAIL FROM: <Masaharu.Kondo@jp.sony.com>
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: Milter: senders: <Masaharu.Kondo@jp.sony.com>
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: milter=grtg, action=mail, continue
Aug 24 09:56:25 mail sendmail[32610]: k7O0uOTt032610: --- 250 2.1.0 <Masaharu.Kondo@jp.sony.com>... Sender ok
Aug 24 09:56:26 mail sendmail[32610]: k7O0uOTt032610: <-- RCPT TO: <sbkwon@kiryung.co.kr>
Aug 24 09:56:26 mail sendmail[32610]: k7O0uOTt032610: Milter: rcpts: <sbkwon@kiryung.co.kr>
Aug 24 09:56:26 mail sendmail[32610]: k7O0uOTt032610: milter=grtg, action=rcpt, continue
Aug 24 09:56:26 mail sendmail[32610]: k7O0uOTt032610: --- 250 2.1.5 <sbkwon@kiryung.co.kr>... Recipient ok
Aug 24 09:56:26 mail sendmail[32610]: k7O0uOTt032610: <-- RCPT TO: <bkseo@kiryung.co.kr>
Aug 24 09:56:26 mail sendmail[32610]: k7O0uOTt032610: Milter: rcpts: <bkseo@kiryung.co.kr>
Aug 24 09:56:26 mail sendmail[32610]: k7O0uOTt032610: milter=grtg, action=rcpt, continue
Aug 24 09:56:26 mail sendmail[32610]: k7O0uOTt032610: --- 250 2.1.5 <bkseo@kiryung.co.kr>... Recipient ok
Aug 24 09:56:27 mail sendmail[32610]: k7O0uOTt032610: <-- RCPT TO: <mjlee@kiryung.co.kr>
Aug 24 09:56:27 mail sendmail[32610]: k7O0uOTt032610: Milter: rcpts: <mjlee@kiryung.co.kr>
Aug 24 09:56:27 mail sendmail[32610]: k7O0uOTt032610: milter=grtg, action=rcpt, continue
Aug 24 09:56:27 mail sendmail[32610]: k7O0uOTt032610: --- 250 2.1.5 <mjlee@kiryung.co.kr>... Recipient ok
Aug 24 09:56:27 mail sendmail[32610]: k7O0uOTt032610: <-- RCPT TO: <jhsohn@kiryung.co.kr>
Aug 24 09:56:27 mail sendmail[32610]: k7O0uOTt032610: Milter: rcpts: <jhsohn@kiryung.co.kr>
Aug 24 09:56:27 mail sendmail[32610]: k7O0uOTt032610: milter=grtg, action=rcpt, continue
Aug 24 09:56:27 mail sendmail[32610]: k7O0uOTt032610: --- 250 2.1.5 <jhsohn@kiryung.co.kr>... Recipient ok
Aug 24 09:56:28 mail sendmail[32610]: k7O0uOTt032610: <-- RCPT TO: <jglee@kiryung.co.kr>
Aug 24 09:56:28 mail sendmail[32610]: k7O0uOTt032610: Milter: rcpts: <jglee@kiryung.co.kr>
Aug 24 09:56:28 mail sendmail[32610]: k7O0uOTt032610: milter=grtg, action=rcpt, continue
Aug 24 09:56:28 mail sendmail[32610]: k7O0uOTt032610: --- 250 2.1.5 <jglee@kiryung.co.kr>... Recipient ok
Aug 24 09:56:28 mail sendmail[32610]: k7O0uOTt032610: <-- RCPT TO: <shkim@kiryung.co.kr>
Aug 24 09:56:28 mail sendmail[32610]: k7O0uOTt032610: Milter: rcpts: <shkim@kiryung.co.kr>
Aug 24 09:56:28 mail sendmail[32610]: k7O0uOTt032610: milter=grtg, action=rcpt, continue
Aug 24 09:56:28 mail sendmail[32610]: k7O0uOTt032610: --- 250 2.1.5 <shkim@kiryung.co.kr>... Recipient ok
Aug 24 09:56:32 mail sendmail[32610]: k7O0uOTt032610: <-- RSET
Aug 24 09:56:32 mail sendmail[32610]: k7O0uOTt032610: --- 250 2.0.0 Reset state
Aug 24 09:56:32 mail sendmail[32610]: k7O0uOTt032610: Milter (grtg): abort filter
Aug 24 09:56:32 mail sendmail[32610]: k7O0uOTt032610: to=<sbkwon@kiryung.co.kr>, delay=00:00:06, pri=0, stat=RSET
Aug 24 09:56:32 mail sendmail[32610]: k7O0uOTt032610: to=<bkseo@kiryung.co.kr>, delay=00:00:06, pri=0, stat=RSET
Aug 24 09:56:32 mail sendmail[32610]: k7O0uOTt032610: to=<mjlee@kiryung.co.kr>, delay=00:00:06, pri=0, stat=RSET
Aug 24 09:56:32 mail sendmail[32610]: k7O0uOTt032610: to=<jhsohn@kiryung.co.kr>, delay=00:00:06, pri=0, stat=RSET
Aug 24 09:56:32 mail sendmail[32610]: k7O0uOTt032610: to=<jglee@kiryung.co.kr>, delay=00:00:06, pri=0, stat=RSET
Aug 24 09:56:32 mail sendmail[32610]: k7O0uOTt032610: to=<shkim@kiryung.co.kr>, delay=00:00:06, pri=0, stat=RSET
Aug 24 09:56:32 mail sendmail[32610]: k7O0uOTt032610: from=<Masaharu.Kondo@jp.sony.com>, size=0, class=0, nrcpts=6, proto=ESMTP, daemon=MTA, relay=NS6.Sony.CO.JP [137.153.0.32]