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답변자가 기본적으로 참고할 내용입니다.
- 배포판(옵션)    : 
- 커널버전(옵션)
  : 
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 1.3.27) : 
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네이버 -> sendmail(outlook) 발신/수신 문제 이상 없음

다음 -> sendmail(outlook)[저희서버]
 로 보내면
아래와 같은 메뉴가 뜹니다.

sendmail[저희서버]
 -> 다음 으로 보내는데에는 문제가 없구요.

네이버는 괜찮은데 다음이나 다른 곳이 문제가 있더군요

어쩔땐 아에 오지도 않구요,

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

The original message was received at Sun, 12 Jun 2005 15:33:42 +0900
from [211.209.21.26]

   ----- Transcript of session follows -----
... while talking to mx8.hanmail.net.:
>>> DATA
<<< 441 4.4.1 temporay dns failed
... while talking to mx3.hanmail.net.:
>>> DATA
<<< 441 4.4.1 temporay dns failed
... while talking to mx6.hanmail.net.:
>>> DATA
<<< 441 4.4.1 temporay dns failed
... while talking to mx1.hanmail.net.:
>>> DATA
<<< 441 4.4.1 temporay dns failed
... while talking to mx4.hanmail.net.:
>>> DATA
<<< 441 4.4.1 temporay dns failed
... while talking to mx5.hanmail.net.:
>>> DATA
<<< 441 4.4.1 temporay dns failed
... while talking to mx7.hanmail.net.:
>>> DATA
<<< 441 4.4.1 temporay dns failed
... while talking to mx10.hanmail.net.:
>>> DATA
<<< 441 4.4.1 temporay dns failed
... while talking to mx9.hanmail.net.:
>>> DATA
<<< 441 4.4.1 temporay dns failed
... while talking to mx2.hanmail.net.:
>>> DATA
<<< 441 4.4.1 temporay dns failed
<limarket@hanmail.net>... Deferred:
441 4.4.1 temporay dns failed
Warning: message still undelivered after 4 hours
Will keep trying until message is 5 days old



그리고 야후에서도 저희서버로 메일을 보내봤으나
야후에서는 아에 오지도 않네요-_-;;

지금계속 테스트해봤는데

네이버에서 보내도 오지도 않고

발신은 되는데 수신이 전혀 안되네요-_-;;



#
POP3 테스트결과
OK POP3 localhost.localdomain v2003.83oops server ready

내부와 외부 모두 정상적입니다.

#그리고 
같은 계정으로 메일을 보냈는데
telnet 명령어를 몰라서
outlook 에서 같은 서버 webmaster@a 와 webmaster@b 에게
서로 보냈는데 수신/발신이 안됬어요.-_-


그리고 아래 로그입니다.
/var/log

Jun 12 23:34:10 ns ipop3d[20182]: pop3 service init from 222.110.143.207
Jun 12 23:34:10 ns ipop3d[20182]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:10 ns ipop3d[20182]: Login user=manabird host=[222.110.143.207]
nmsgs=0/0
Jun 12 23:34:10 ns ipop3d[20182]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:10 ns ipop3d[20182]: Logout user=manabird host=[222.110.143.207]
nmsgs=0 ndele=0
Jun 12 23:34:10 ns ipop3d[20183]: pop3 service init from 222.110.143.207
Jun 12 23:34:10 ns ipop3d[20183]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:10 ns ipop3d[20183]: Login user=manabird host=[222.110.143.207]
nmsgs=0/0
Jun 12 23:34:10 ns ipop3d[20183]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:10 ns ipop3d[20183]: Logout user=manabird host=[222.110.143.207]
nmsgs=0 ndele=0
Jun 12 23:34:12 ns ipop3d[20184]: pop3 service init from 222.110.143.207
Jun 12 23:34:12 ns ipop3d[20184]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:12 ns ipop3d[20184]: Login user=manabird host=[222.110.143.207]
nmsgs=0/0
Jun 12 23:34:12 ns ipop3d[20184]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:12 ns ipop3d[20184]: Logout user=manabird host=[222.110.143.207]
nmsgs=0 ndele=0
Jun 12 23:34:12 ns ipop3d[20185]: pop3 service init from 222.110.143.207
Jun 12 23:34:12 ns ipop3d[20185]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:12 ns ipop3d[20185]: Login user=manabird host=[222.110.143.207]
nmsgs=0/0
Jun 12 23:34:12 ns ipop3d[20185]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:12 ns ipop3d[20185]: Logout user=manabird host=[222.110.143.207]
nmsgs=0 ndele=0
Jun 12 23:34:22 ns sendmail[20186]: AUTH=server, relay=[222.110.143.207],
authid=manabird, mech=LOGIN, bits=0
Jun 12 23:34:22 ns sendmail[20186]: j5CEYMC3020186: from=<webmaster@mtgkorea.com>, size=1277,
class=0, nrcpts=1, msgid=<008701c56f5b$cb5d65d0$cf8f6ede@lty14jibfm7ota>,
proto=ESMTP, daemon=MTA, relay=[222.110.143.207]
Jun 12 23:34:22 ns sendmail[20187]: j5CEYMC3020186: to=<webmaster@ircbot.co.kr>, ctladdr=<webmaster@mtgkorea.com> (580/580),
delay=00:00:00, xdelay=00:00:00, mailer=local, pri=31486, dsn=2.0.0, stat=Sent
Jun 12 23:34:23 ns ipop3d[20189]: pop3 service init from 222.110.143.207
Jun 12 23:34:24 ns ipop3d[20189]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:24 ns ipop3d[20189]: Login user=manabird host=[222.110.143.207]
nmsgs=0/0
Jun 12 23:34:24 ns ipop3d[20189]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:24 ns ipop3d[20189]: Logout user=manabird host=[222.110.143.207]
nmsgs=0 ndele=0
Jun 12 23:34:24 ns ipop3d[20190]: pop3 service init from 222.110.143.207
Jun 12 23:34:24 ns ipop3d[20190]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:24 ns ipop3d[20190]: Login user=manabird host=[222.110.143.207]
nmsgs=0/0
Jun 12 23:34:24 ns ipop3d[20190]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:24 ns ipop3d[20190]: Logout user=manabird host=[222.110.143.207]
nmsgs=0 ndele=0
Jun 12 23:34:26 ns ipop3d[20191]: pop3 service init from 222.110.143.207
Jun 12 23:34:26 ns ipop3d[20191]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:26 ns ipop3d[20191]: Login user=manabird host=[222.110.143.207]
nmsgs=0/0
Jun 12 23:34:26 ns ipop3d[20191]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:26 ns ipop3d[20191]: Logout user=manabird host=[222.110.143.207]
nmsgs=0 ndele=0
Jun 12 23:34:26 ns ipop3d[20192]: pop3 service init from 222.110.143.207
Jun 12 23:34:26 ns ipop3d[20192]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:26 ns ipop3d[20192]: Login user=manabird host=[222.110.143.207]
nmsgs=0/0
Jun 12 23:34:26 ns ipop3d[20192]: Mailbox vulnerable - directory /var/spool/mail
must have 1777 protection
Jun 12 23:34:26 ns ipop3d[20192]: Logout user=manabird host=[222.110.143.207]
nmsgs=0 ndele=0