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크게 작게 위로 아래로 댓글로 가기 인쇄
로그 :
g5M1EkS08293: timeout waiting for input from mx4.hanmail.net. during client
greeting
g5M1EkS08293: g5M1OlS08295: DSN: User unknown

분석 :
mx4.hanmail.net 에서 서버로 메일을 보내기 위해 helo, Mail from
xxx@xxx.com , Rcpt To: yyy@yyy.com
과 같이 같은 진행했다고 할때 RCPT 를 하니 현재 서버에 yyy 라는 유저가 없으면 User
unknown 에러를 발생시키고
리턴을 하게 된다.. 그러면서 위와 같은 로그를 기록하게 된다.
이런 로그가 많이 오면 해당 서버로 오는 메일을 reject 시키던지 하는 방안을 강구해야 한다. 

  1. No Image 04Jun
    by ADMINPLAY
    2009/06/04 by ADMINPLAY
    Views 9029 

    /etc/mail/submit.cf: line 0: cannot open: Permission denied

  2. No Image 04Jun
    by ADMINPLAY
    2010/06/04 by ADMINPLAY
    Views 19725 

    /var/spool/clientmqueue 에 파일 적재될 때

  3. No Image 23Aug
    by ADMINPLAY
    2009/08/23 by ADMINPLAY
    Views 12552 

    /var/spool/mail root계정 및 일반계정 용량삭제

  4. No Image 04Jun
    by ADMINPLAY
    2009/06/04 by ADMINPLAY
    Views 8736 

    /var/spool/mail/에 저장된 메일 다른 메일로 보내기

  5. No Image 01Nov
    by ADMINPLAY
    2009/11/01 by ADMINPLAY
    Views 9415 

    /var/spool/mail/에 저장된 메일 다른 메일로 보내기

  6. No Image 04Jun
    by ADMINPLAY
    2009/06/04 by ADMINPLAY
    Views 12422 

    CNAME lookup failed temporarily. (#4.4.3)

  7. No Image 21Jun
    by ADMINPLAY
    2010/06/21 by ADMINPLAY
    Views 18253 

    courier-authlib 와 courier-imap 의 설치

  8. No Image 04Jun
    by ADMINPLAY
    2009/06/04 by ADMINPLAY
    Views 9323 

    courier-authlib, courier-imap설치

  9. No Image 04Jun
    by ADMINPLAY
    2009/06/04 by ADMINPLAY
    Views 8978 

    courier-imap 설치(imap, pop3)

  10. No Image 22May
    by ADMINPLAY
    2009/05/22 by ADMINPLAY
    Views 11072 

    dns서버가 없는경우 sendmail의 주의점

  11. No Image 04Jun
    by ADMINPLAY
    2009/06/04 by ADMINPLAY
    Views 9597 

    dovecot 메일 받을때 chdir 에러 발생시 해결 방안

  12. No Image 20Aug
    by ADMINPLAY
    2010/08/20 by ADMINPLAY
    Views 19844 

    Fedora Core에 dovecot 환경파일 상세설정

  13. No Image 20Sep
    by ADMINPLAY
    2009/09/20 by ADMINPLAY
    Views 9060 

    g5M1EkS08293: timeout waiting for input from mx4.hanmail.net. during client

  14. No Image 12Jun
    by ADMINPLAY
    2009/06/12 by ADMINPLAY
    Views 8744 

    imap, ipop3 on xinetd

  15. No Image 20Sep
    by ADMINPLAY
    2009/09/20 by ADMINPLAY
    Views 10870 

    Jul 5 15:53:46 www sendmail[25566]: NOQUEUE: [211.192.74.202] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA

  16. No Image 20Sep
    by ADMINPLAY
    2009/09/20 by ADMINPLAY
    Views 8990 

    Jun 26 11:04:12 www sendmail[26626]: g5Q246I26624: g5Q24CH26626: DSN: Service unavailable

  17. No Image 20Sep
    by ADMINPLAY
    2009/09/20 by ADMINPLAY
    Views 8677 

    Jun 26 11:15:15 www sendmail[27135]: g5Q2FES27135: collect: premature EOM: Error 0

  18. No Image 04Jun
    by ADMINPLAY
    2009/06/04 by ADMINPLAY
    Views 8483 

    kisa rbl 설정

  19. No Image 04Jun
    by ADMINPLAY
    2009/06/04 by ADMINPLAY
    Views 13366 

    mail 명령어 사용법

  20. No Image 10Sep
    by ADMINPLAY
    2012/09/10 by ADMINPLAY
    Views 14070 

    nslookup 으로 도메인에 대한 MX 값 알아보기

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