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HOME > ³×Æ®¿öÅ©(network) > ¸ÞÀÏ ¼­¹ö(mail) > ¸ÞÀÏ ÇÊÅ͸µ(½ºÆÔ¸ÞÀÏ) / procmail µµ¿ò¸»
°Ë»ö : »çÀÌÆ® WHOIS À¥¼­¹ö Á¾·ù


  ¼¾µå¸ÞÀÏ(Sendmail)¼­¹öÀÇ ½ºÆÔ¸ÞÀϹæÁö±â´ÉÀ» È°¿ëÇÏ´Â ¹æ¹ý ÀÛ¼ºÀÏ : 2003/08/05 00:45
 
  • ±Û¾´ÀÌ : ÁÁÀºÁøÈ£
  • Á¶È¸¼ö : 8802
          [ ÀÌÀüÈ­¸é / ¼öÁ¤ ]   ºñ¹Ð¹øÈ£ :     Àμâ¿ë È­¸é
      Ãâó : ºÒ¹ý ½ºÆÔ ´ëÀÀ ¼¾ÅÍ, http://www.spamcop.or.kr/

    <  ¼¾µå¸ÞÀÏ(Sendmail)¼­¹öÀÇ ½ºÆÔ¸ÞÀϹæÁö±â´ÉÀ» È°¿ëÇÏ´Â ¹æ¹ý >

    * Sendmail8.9.0ºÎÅÍ´Â µðÆúÆ®·Î ¸ÞÀÏ ¸±·¹ÀÌ ±â´ÉÀ» Á¦ÇÑÇϵµ·Ï µÇ¾î ÀÖÀ¸¸ç ÀÌ·¯ÇÑ ±â´ÉµéÀ»
    ¤»Á¦¾îÇϱâ À§ÇÑ ¸¹Àº ȯ°æº¯¼öµéÀ» Á¦°øÇÏ°í ÀÖ½À´Ï´Ù.

    * ȯ°æº¯¼öµéÀº sendmail.cfÆÄÀÏ¿¡ ÀúÀåµÇ¾î Áö´Âµ¥, ¸¹Àº °ü¸®ÀÚµéÀÌ Sendmail ÇÁ·Î±×·¥À» ¼³Ä¡
    ¤»Çϴµ¥ ÀÖ¾î °¡Àå ¾Ö·Î¸¦ °Þ´Â ºÎºÐÀÔ´Ï´Ù.

    * SendmailÀÌ anti-spam ±â´ÉÀÌ ÀÖ´Ù°í Çصµ, ÀÌ ÆÄÀÏÀ» ÀûÀýÈ÷ ¸¸µé¾î Àû¿ëÇÏÁö ¸øÇÏ¸é ¹«¿ëÁö¹°ÀÌ ¤»µÇ±â ¶§¹®¿¡ °ü¸®ÀÚµéÀº ÀÌ ÆÄÀÏÀÇ Àû¿ë¹æ¹ýÀ» ¹Ýµå½Ã ¼÷ÁöÇÏ¿© ¿î¿µÇÏ¿©¾ß ÇÕ´Ï´Ù.

    --------------------
    < ½ºÆÔ¸ÞÀÏ ¹ß¼ÛÀÚÂ÷´Ü ¹× ¼­¹ö¸±·¹ÀÌ Â÷´Ü¹æ¹ý >

    1. access DB È°¿ë

    Sendmail 8.9·Î ¹öÀüÀÌ ³ô¾ÆÁö¸é¼­ »õ·Ó°Ô Ãß°¡µÈ ±â´ÉÀÌ ¹Ù·Î ÀÌ anti-spam°ú °ü·ÃµÈ ±â´ÉÀ̸ç Access DB¶ó´Â »õ·Î¿î µ¥ÀÌÅͺ£À̽º¸¦ µµÀÔÇؼ­ ÀÌ°ÍÀÇ ¼³Á¤¿¡ µû¶ó ƯÁ¤ ¸ÞÀϵéÀ» ¹ÞÁö ¾Êµµ·Ï
    ÇÒ ¼ö°¡ ÀÖ½À´Ï´Ù.

    ±× ³»ºÎ Çü½ÄÀº ´ÙÀ½ÀÇ Ç¥¿Í °°½À´Ï´Ù.

    SendmailÀÌ anti-spam ±â´ÉÀÌ ÀÖ´Ù°í Çصµ, ÀÌ ÆÄÀÏÀ» ÀûÀýÈ÷ ¸¸µé¾î Àû¿ëÇÏÁö ¸øÇÏ¸é ¹«¿ëÁö¹°ÀÌ µÇ±â ¶§¹®¿¡ °ü¸®ÀÚµéÀº ÀÌ ÆÄÀÏÀÇ Àû¿ë¹æ¹ýÀ» ¹Ýµå½Ã ¼÷ÁöÇÏ¿© ¿î¿µÇÏ¿©¾ß ÇÕ´Ï´Ù.
    spam@hacker.com ¡¡¡¡¡¡REJECT
    spammail.com ¡¡¡¡¡¡REJECT
    useful.org ¡¡¡¡¡¡OK
    211.252.150 ¡¡¡¡¡¡RELAY
    211.252.151 ¡¡¡¡¡¡RELAY


    spam@hacker.com, spammail.com ¹× 211.252.150°ú °°Àº ù¹ø° Çʵå´Â e-mailÁÖ¼Ò,µµ¸ÞÀÎ
    ³×ÀÓ,³×Æ®À¨ ³Ñ¹ö µîÀÌ ¿Ã ¼ö ÀÖÀ¸¸ç,

    µÎ¹ø° Çʵå´Â ÇØ´ç ÁּҷκÎÅÍ ¿À´Â ¸ÞÀÏÀ» ¾î¶»°Ô ó¸®ÇÒ °ÍÀΰ¡¸¦ °áÁ¤Çϴµ¥¿¡ »ç¿ëµË´Ï´Ù.

    spam@hacker.comÀÇ ¸ÞÀÏ»ç¿ëÀÚ ¹× spammail.com µµ¸ÞÀÎÀ¸·ÎºÎÅÍ ¿À´Â ¸ðµç ¸ÞÀÏÀº °ÅºÎ
    ÇÕ´Ï´Ù.

    useful.org µµ¸ÞÀÎÀ¸·ÎºÎÅÍ ¸ÞÀÏ »ç¿ëÀÚ ¹× spammail.com µµ¸ÞÀÎÀ¸·ÎºÎÅÍ ¿À´Â ¸ðµç ¸ÞÀÏÀº
    °ÅºÎÇÕ´Ï´Ù.

    ¸¶Áö¸·ÀÇ °ÍÀº C-ClassÀÇ ³×Æ®¿öÅ©°¡ 211.252.150, 211.252.151ÀÇ IP¸¦ »ç¿ëÇÏ´Â ¸ðµçÁÖ¼Ò¿¡
    ´ëÇÏ¿©¸±·¹À̸¦ Çã°¡ ÇÑ´Ù´Â ÀǹÌÀÔ´Ï´Ù.

    À§¿Í °°Àº Çü½ÄÀÇ asccess DB´Â /etc/mail/acess¶õ À̸§À¸·Î ÆÄÀÏ »ç½ºÅÛ¿¡ ÀúÀå ÇÕ´Ï´Ù.

    accessÀÇ ÆÄÀϱ¸Á¶´Â ÅؽºÆ® ÆÄÀÏÀ̸ç, SendmailÀÌ °¡·Á³¾ ¼ö(Lookup) ¾ø±â ¶§¹®¿¡, makemap À̶õ ÇÁ·Î±×·¥À» »ç¿ëÇÏ¿© SendmailÀÌ ÀνÄÇÒ ¼ö ÀÖ´Â DBÇüÅ·Π¸¸µé¾î ÁÖ¾î¾ß ÇÕ´Ï´Ù.

    ´ÙÀ½ÀÇ ¸í·É¾î¸¦ ½ÇÇàÇÏ¿© °¡´É "/etc/mail/makemap dbm/ etc/mail/acess< /etc /mail/access

    ´ÙÀ½ÀÇ Ç¥´Â ÀÌ·¯ÇÑ accessÆÄÀÏÀ» ÅëÇÏ¿© sendmailÀÌ °¡·Á³¾ ¼ö ÀÖ´Â Access DB ÆÄÀÏÀ» »ý¼º
    ÇÏ´Â ¹æ¹ý¹× °úÁ¤À» º¸¿©ÁÖ°í ÀÖ½À´Ï´Ù.


    [penguin:root]:/etc/mail> ls -al access*
    -rw-r--r-- 1¡¡¡¡root other¡¡¡¡71 5¿ù 3ÀÏ ¡¡¡¡17:25¡¡access

    [penguin:root]:/etc/mail> cat access
    spam@hacker.com ¡¡¡¡¡¡REJECT
    spammail.com ¡¡¡¡¡¡REJECT
    useful.org ¡¡¡¡¡¡OK
    172.16 ¡¡¡¡¡¡RELAY

    [penguin:root]:/etc/mail> makemap dbm /etc/mail/access < /etc/mail/access

    [penguin:root]:/etc/mail> ls -al access*
    -rw-r--r-- 1 ¡¡¡¡root other¡¡¡¡¡¡71 5¿ù 3ÀÏ ¡¡ ¡¡17:25 ¡¡¡¡access
    -rw-r--r-- 1 ¡¡¡¡root other ¡¡¡¡ ¡¡0 5¿ù 3ÀÏ¡¡¡¡ 17:27¡¡ ¡¡access.dir
    -rw-r--r-- 1¡¡¡¡ root other ¡¡ ¡¡024 5¿ù 3ÀÏ ¡¡¡¡17:27¡¡ ¡¡access.pag

    ÀÌ·¯ÇÑ È¯°æº¯¼öµéÀÇ ¿Ã¹Ù¸¥ ¼³Á¤¿¡ ´ëÇÑ º¸´Ù »ó¼¼ÇÑ ³»¿ëÀº cf/README ÆÄÀÏÀÇ Anti-Spam
    ȯ°æÁ¦¾î ºÎºÐÀ» ÂüÁ¶ÇÏ½Ã¸é µË´Ï´Ù.

    http://www.sendmail.org/tips/relaying.html

    http://www.sendmail.org/m4/anti-spam.html

    2. relay ¿µ¿ªÁöÁ¤ ±â´É È°¿ë

    ´ëºÎºÐÀÇ ÀÌ·¯ÇÑ Anti-Spam Relay ±â´ÉµéÀº ¸ÞÀÏ°ü¸®ÀÚ°¡ Çã¿ëµÇ´Â Relay µµ¸ÞÀÎÀÇ ¸®½ºÆ®
    ¼³Á¤À» ÇÊ¿ä·Î ÇÕ´Ï´Ù. ÀÌ ¸®½ºÆ®¿¡´Â ¸ðµç Çã°¡ ÀÎÁõµÈ µµ¸ÞÀεéÀ» Æ÷ÇÔÇÏ°í ÀÖ´ÂÁö ¹Ýµå½Ã È®ÀÎ
    ÇÏ¿©¾ß Çϸç ÁÖÀÇÇÏ¿©¾ß ÇÒ Á¡Àº ¹Ýµå½Ã MX (Mail Exchanger)»Ó¸¸ ¾Æ´Ï¶ó ÀÚ»ç µµ¸ÞÀο¡¼­ »ç¿ë
    ÇÏ°í ÀÖ´Â °¡»óÀÇ µµ¸ÞÀεéÀÌ Æ÷ÇԵǵµ·Ï ¼³Á¤ÇÏ¿©¾ß ÇÑ´Ù´Â °ÍÀÔ´Ï´Ù. ±×·¸Áö ¾ÊÀ¸¸é ÀÚ»ç µµ¸ÞÀÎ
    ¿¡¼­ º¸³½ ¸ÞÀÏÀÌ °ÅºÎµÉ ¼öµµ ÀÖ½À´Ï´Ù.

    ´ÙÀ½°ú °°ÀÌ ´Ù¾çÇÏ°Ô ¸±·¹ÀÌ Çã¿ë¹üÀ§¸¦ ÁöÁ¤ÇÒ ¼ö ÀÖ½À´Ï´Ù.

    FEATURE(relay_hosts_only) : /etc/mail/relay-domains¿¡ ¸®½ºÆ®µÇ¾î ÀÖ´Â µµ¸ÞÀÎ ³» È£½ºÆ®
    µéÀº ¸ðµÎ Çã¿ë

    FEATURE(relay_entire_domain) : ÀÚ½ÅÀÇ µµ¸ÞÀÎ ³»¿¡ ÀÖ´Â ¸ðµç È£½ºÆ®µé¿¡ ¸±·¹ÀÌ Çã¿ë

    FEATURE(access_db) : °³º° µµ¸ÞÀεéÀÇ Á¢±Ù ¿©ºÎ¸¦ /etc/mail/access¶ó´Â db¸¦ ÅëÇØ Á¶Àý

    FEATURE(blacklist_recipients) : access db¿¡ ÀÖ´Â ¼Û½ÅÀÚ »Ó ¾Æ´Ï¶ó ¼ö½ÅÀÚ±îÁö ÇÊÅ͸µ °¡´É

    * º¸´Ù ´Ù¾çÇÑ ½ºÆÔ¸ÞÀÏ ¸±·¹ÀÌ Â÷´Ü¹æ¹ý¿¡ ´ëÇؼ­´Â ¾Æ·¡ ȨÆäÀÌÁö¸¦ ÂüÁ¶ÇϽñ⠹ٶø´Ï´Ù.
    - http://www.certcc.or.kr/paper/tr2002_04/spam.pdf

    3. µ¿Àû IP¿¡ ´ëÇØ relay Çã¿ëÇÏ´Â ¹æ¹ý
    (Ãâó : http://gnuhacker.com/board/?p=print&table=securitybug&no=17)

    sendmail 8.9 ¹öÁ¯´ë¿¡ ¿Í¼­ Anti SPAM ¿îµ¿ÀÇ ÀÏȯÀ¸·Î relay Çã¿ëÀÌ default·Î ¸·È÷°Ô µÇ¾ú½À
    ´Ï´Ù. ÇÏÁö¸¸ smtp relay¸¦ ¼³Á¤ÇÏ´Â °ÍÀÌ ip address ¶Ç´Â domain nameÀ¸·Î ÀÌ·ç¾îÁö°Ô µÇ¾î
    À־ µ¿Àû ip¿¡ ´ëÇØ relay¸¦ ¾î¶»°Ô Çã¿ëÇÒÁö ³í¶õÀÌ µÇ°ï Çß½À´Ï´Ù. ÀÌ ¹®Á¦¸¦ ÇØ°áÇϱâ À§ÇÏ¿© 8.10 ¹öÁ¯¿¡¼­ smtp auth ±â´ÉÀÌ Ãß°¡µÇ¾ú½À´Ï´Ù.

    ÇÏÁö¸¸ ÀÌ ±â´ÉÀº ±âº»ÀûÀ¸·Î µé¾î ÀÖÁö´Â ¾ÊÀ¸¸ç, ÀÎÁõÀ» À§Çؼ­´Â cyrus- sasl library(libsasl
    À̶ó´Â À̸§À¸·Î ÆÐŰ¡ µÇ¾î Àֱ⵵ ÇÕ´Ï´Ù)°¡ ÇÊ¿äÇϸç cyrus-sasl library´Â ¶ÇÇÑ openssl package¸¦ ÇÊ¿ä·Î ÇÕ´Ï´Ù.(Redhat 7.xºÎÅÍ ±âº»ÀûÀ¸·Î ¼³Ä¡ µÇ¾î ÀÖ½À´Ï´Ù)

    sendmail 8.10.x ¿¡ ¿Í¼­ ±âÁ¸ÀÇ ÆÄÀϵéÀÇ À§Ä¡¿Í À̸§ÀÌ º¯°æµÈ °ÍÀÌ ÀÖ½À´Ï´Ù.
    ±×Áß Æ¯ÀÌÇÑ ¸î°³¸¸ ¸»ÇÑ´Ù¸é ÀÏ´Ü sendmailÀÇ ¸ðµç ¼³Á¤ ÆÄÀϵéÀº /etc/mail ·Î ¿Å°ÜÁ³½À´Ï´Ù.
    Áï /etc ¿¡ À§Ä¡ÇÏ´ø sendmail.cf °¡ /etc/mail/sendmail.cf ·Î À̵¿À» Çß´Ù´Â °ÍÀÔ´Ï´Ù.

    ¶ÇÇÑ /etc/sendmail.cw °¡ /etc/mail/local-host-name À¸·Î º¯°æ µÇ¾ú´Ù´Â °ÍÀ» À¯ÀÇÇØ¾ß ÇÕ´Ï´Ù.

    1. SendmailÀ» ÀÌ¿ëÇÑ SMTP + AUTH ¼³Á¤

    1.1 sasl¿¡¼­ ÀÎÁõ ¹æ½Ä ÁöÁ¤

    # cd /usr/lib/sasl
    # touch Sendmail.conf
    # vi Sendmail.conf

    ; ¾Æ·¡³»¿ëÀ» Ãß°¡ÇÕ´Ï´Ù. (passwd ¹æ½ÄÀ̸é pwcheck_method: passwd )

    pwcheck_method: shadow

    1.2 sendmail ¼³Ä¡ÇÕ´Ï´Ù. (http://sendmail.org)

    1) ¾ÐÃà ÆÄÀÏÀ» DZ´Ï´Ù.
    # gzip d sendmail.8.11.6.tar.gz
    # tar -xvf sendmail.8.11.6.tar

    2) ¼¾µå¸ÞÀÏ ÄÄÆÄÀϽà sasl library¸¦ Æ÷ÇÔ Çϵµ·Ï ÇÕ´Ï´Ù.
    # cd sendmail-8.11.6/devtools/Site
    # vi site.config.m4

    APPENDDEF(`confENVDEF', `-DSASL')
    APPENDDEF(`conf_sendmail_LIBS', `-lsasl')
    APPENDDEF(`confLIBDIRS', `-L/usr/lib')
    APPENDDEF(`confINCDIRS', `-I/usr/include')

    3) ¼¾µå¸ÞÀÏÀ» ÄÄÆÄÀÏ ÇÕ´Ï´Ù.
    # cd sendmail-8.11.1
    # ./Build c

    4) ¼¾µå¸ÞÀÏ µ¥¸óÀ» ±âÁ¸ÀÇ ¼¾µå¸ÞÀÏ µ¥¸ó°ú ¹Ù²ß´Ï´Ù.
    ÁÖÀÇ ÇÒ Á¡Àº ¸¸¾à¿¡ ÄÄÆÄÀÏÇÑ µ¥¸óÀÌ ÀÌ»óÀÌ »ý°Ü µ¿ÀÛÇÏÁö ¾ÊÀ» °æ¿ì¸¦ ´ëºñÇÏ¿© ±âÁ¸ ÆÄÀÏÀ»
    ¹é¾÷ÇØ¾ß ÇÕ´Ï´Ù.
    # cd obj.Linux.2.2.14-5.0.i586/sendmail
    # mv /usr/sbin/sendmail /usr/sbin/sendmail-org
    # cp sendmail /usr/sbin/sendmail

    5) sendmail.cf ÆÄÀÏÀ» ¸¸µì´Ï´Ù.
    # cd /usr/tmp/sendmail-8.11.1/cf/cf
    # vi generic-linux.mc

    divert(-1)
    divert(0)dnl
    VERSIONID(`@(#)inet-mx.mc (Inet, Inc. MX.) 8/18/98')dnl
    OSTYPE(linux)dnl
    DOMAIN(generic)dnl
    MAILER(local)dnl
    MAILER(smtp)dnl
    FEATURE(`access_db', `dbm -o /etc/mail/access')dnl
    FEATURE(`mailertable', `dbm /etc/mail/mailertable')dnl
    FEATURE(`virtusertable',`dbm -o /etc/mail/virtusertable')dnl
    TRUST_AUTH_MECH(`LOGIN PLAIN DIGEST-MD5 CRAM-MD5')dnl
    define(`confAUTH_MECHANISMS', `LOGIN PLAIN DIGEST-MD5 CRAM-MD5')dnl

    # m4 ../m4/cf.m4 generic-linux.mc > sendmail.cf

    6) sendmail.cf ÆÄÀÏÀ» ±âÁ¸ÆÄÀÏ°ú ¹Ù²ß´Ï´Ù.
    ¸¶Âù°¡Áö·Î ±âÁ¸ sendmail.cf ÆÄÀÏÀ» ¹é¾÷ ½Ãŵ´Ï´Ù.
    # mv /etc/mail/sendmail.cf /etc/mail/sendmail.cf-org
    # cp sendmail.cf /etc/mail/sendmail.cf

    7) ¼¾µå¸ÞÀÏ µ¥¸óÀ» ±¸µ¿½Ãŵ´Ï´Ù.
    # pkill sendmail
    # /usr/sbin/sendmail -bd -q30m

    1.3 Client PC ¿¡¼­´Â ¾Æ·¡Ã³·³ ¼³Á¤À» ÇØ ÁÖ¾î¾ß ÇÕ´Ï´Ù.

    Netscpae mailer
    Edit>Preferences>Mail & Newsgroups Account Settings >Outgoing Server
    (SMTP)

    ¿¡¼­ Use name and password ¿¡ üũ ÇÏ°í User NameÀ» ³Ö¾î ÁÖ¸é µË´Ï´Ù.

    Outlook Express 6
    µµ±¸>°èÁ¤>¸ÞÀÏ>°èÁ¤µî·ÏÁ¤º¸>¼­¹ö>º¸³»´Â ¸ÞÀϼ­¹ö

    ¿¡¼­ "ÀÎÁõ ÇÊ¿ä"¿¡ üũ¸¦ ÇÏ°í ¿·ÀÇ "¼³Á¤"À» Ŭ¸¯ÇÑÈÄ ·Î±×¿Â Á¤º¸¿¡ °èÁ¤ À̸§°ú ¾ÏÈ£¸¦ ³Ö½À´Ï´Ù.

    1.4 Âü°í »çÀÌÆ®

    http://www.sendmail.org/~ca/email/auth.html
      Ä¿ÇǴнº Ä«Æä ÃÖ±Ù ±Û
    [03/24] Youtube òÁ&#2
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    [10/30] Cshell¿¡¼­ ³­¼ö ¼³Á¤
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    [01/26] Re: wgetÀ¸·Î ´Ù¸¥¼­¹ö¿¡ÀÖ´Â µð·ºÅ丮¸¦ °¡Á®¿À·Á°íÇÕ´Ï´Ù.
    [01/25] wgetÀ¸·Î ´Ù¸¥¼­¹ö¿¡ÀÖ´Â µð·ºÅ丮¸¦ °¡Á®¿À·Á°íÇÕ´Ï´Ù.
    [01/11] ƯÁ¤ ¾Èµå·ÎÀ̵å WebView ¹öÀü¿¡¼­ SSL ¹®Á¦ (WebView ¹ö±×)
    [08/01] DNS forwarder (Àü´ÞÀÚ) ¼­¹ö¸¦ ÅëÇؼ­ Äõ¸®ÇÏ¸é ¿ª¹æÇâÀ» ¹Þ¾Æ¿ÀÁú ¸øÇÕ´Ï´Ù.
    [05/16] (ÁÖ)ÈÄÀÌÁî ½Ã½ºÅÛ¿£Áö´Ï¾î (°æ·ÂÀÚ) ¸ðÁý
      New!   ÃÖ±Ù¿¡ µî·ÏÇÑ ÆäÀÌÁö
      KiCad EDA Suite project (Free/Libre/Open-Source EDA Suite) (CAD)
      ¿ÀÇÂij½ºÄÉÀ̵å ijµå (OpenCASCADE CAD)
      QCad for Windows --- GNU GPL (Free Software)
      The Hello World Collection
      IPMI¸¦ È°¿ëÇÑ ¸®´ª½º ¼­¹ö°ü¸®
      DNS ¼³Á¤ °Ë»ç
      nagiosgraph ¼³Ä¡ ¹æ¹ý
      Slony-I ¼³Ä¡ ¹æ¹ý (postgresql replication tool)
      Qmail±â¹ÝÀÇ Anti spam ½Ã½ºÅÛ ±¸ÃàÇϱâ
      clusterssh

    [ ÇÔ²²ÇÏ´Â »çÀÌÆ® ]




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