· KLDP.org · KLDP.net · KLDP Wiki · KLDP BBS ·
Linuxdoc Sgml/Sendmail-KLDP

sendmail À̾߱â

sendmail À̾߱â

Àå¿ìÇö(Woohyun JANG), louis@mizi.co.kr

1998³â 12¿ù 4ÀÏ
º» ±Û¿¡¼­´Â MTAÁßÀÇ ÇϳªÀÎ(ÇÏÁö¸¸ °¡Àå À¯¸íÇÏ°í, °¡Àå ¸¹ÀÌ »ç¿ëµÇ´Â) sendmail¿¡ °üÇÑ ¾ê±â¸¦ ÇÏ°í ÀÖ½À´Ï´Ù. º¸½Ã°í Àǹ®Á¡À̳ª Ʋ¸°±Û ¸ðÈ£ÇÑ ±ÛÀº Àú¿¡°Ô ¸ÞÀÏ·Î ¾Ë·ÁÁֽñ⠹ٶø´Ï´Ù.

1. sendmailÀ̶õ?

ÀÎÅͳÝÀ» Á¶±ÝÀÌ¶óµµ ½á º¸½ÅºÐÀº sendmailÀ̶õ ¸»À» µé¾îº¸¼ÌÀ» ²®´Ï´Ù. ¾Æ´Ï ¿äÁò °°ÀÌ Ã¥µéÀÌ ¸¹ÀÌ ³ª¿ÔÀ»¶§´Â ÀÎÅͳÝÀ» ¾²Áö ¾ÊÀ¸¼Åµµ sendmailÀ̶õ ¸»Àº µé¾îº¸¼ÌÀ» Áöµµ ¸ð¸¨´Ï´Ù. ¾Æ¸¶ ´ëºÎºÐÀÇ »ç¶÷µéÀº °ú¿¬ sendmailÀÌ ¹«¾ùÀ̱淡 »ç¶÷µéÀÇ ÀÔ¿¡ ¿À¸£³»¸®´ÂÁö?, ²À ½á¾ß Çϴ°ÇÁö? ¶ó´Â »ý°¢À» ÇØ º¸¼ÌÀ»ÅÙµ¥¿ä ¿©±â¿¡¼­´Â sendmailÀÌ ¹«¾ùÀÌ¸ç ¾î¶»°Ô ¼³Ä¡ÇÏ°í sendmail¿¡¼­ ¾ß±âµÇ´Â ¸î°¡Áö ¹®Á¦Á¡µé¿¡ ´ëÇØ À̾߱⸦ ÇØ º¸µµ·Ï ÇÏ°Ú½À´Ï´Ù.

¿ì¼± sendmailÀº ÀÎÅͳݿ¡¼­ ÀüÀÚ¸ÞÀÏÀ» Àü¼ÛÇϱâ À§ÇØ »ç¿ëµÇ´Â ÇÁ·Î±×·¥À̶ó°í »ý°¢ÇÏ½Ã¸é µË´Ï´Ù. ±×·³ ÀÌ·¸°Ô ´ë´äÇϽô ºÐµéÀÌ °è½Ç²¨¿¹¿ä. "¾î! Àú´Â ÀüÀÚ¸ÞÀÏÀ» º¸³»°í ¹Þ´Âµ¥ Netscape Messanger¸¦ ¾²´Âµ¥¿ä! ±×·³ sendmailÀº ¸ô¶óµµ µÇ°Ú³×¿ä!" ÇÏÁö¸¸ Áö±Ý±îÁö ¸ð¸£¼ÌÀ»Áö ¸ð¸£Áö¸¸ Netscape Messanger°°Àº ¸ÞÀÏÇÁ·Î±×·¥À» »ç¿ëÇϽôõ¶óµµ sendmailÀº »ç¿ëÇØ ¿À¼ÌÀ» °Ì´Ï´Ù. ÀüÀÚ¸ÞÀÏ ½Ã½ºÅÛ¿¡¼­ »ç¿ëµÇ´Â ¿ë¾îÁß Netscape Messanger¿Í °°Àº ÇÁ·Î±×·¥Àº MUA(Mail User Agent)¶ó°í ºÎ¸¨´Ï´Ù. ±×¿¡ ºñÇØ sendmailÀº MTA(Mail Transfer Agent)¶ó°í ºÎ¸¨´Ï´Ù.

¿ì¼± ÀÎÅͳÝÀ¸·Î ÆíÁö¸¦ º¸³ÂÀ»¶§ ¾î¶² °æ·Î·Î Àü´ÞµÇ´ÂÁö ¾Ë¾Æº¸µµ·Ï ÇÏÁÒ. ¿©±â¿¡¼­ ¸ÞÀϼ­¹ö·Î taegu.ac.kr¸¦ »ç¿ëÇÏ´Â whjangÀ̶ó´Â »ç¿ëÀÚ°¡ kebi.com ÄÄÇ»ÅÍ¿¡ ÀÖ´Â peach¶õ »ç¿ëÀÚ¿¡°Ô ¸ÞÀÏÀ» º¸³½´Ù°í °¡Á¤Çغ¸ÁÒ. ¿ì¼± »ç¿ëÇÏ´Â MUA(¿©±â¿¡¼­´Â Netscape Messanger, ÁÙ¿©¼­ NMÀ̶ó°í ºÎ¸£°Ú½À´Ï´Ù.)´Â ¸ÞÀϼ­¹öÀÇ 25¹ø Æ÷Æ®¿¡ Á¢¼ÓÀ» ÇÕ´Ï´Ù. ¸ÞÀϼ­¹öÀÇ 25¹ø Æ÷Æ®¿¡¼­´Â MTA(¿©±â¿¡¼­ ¼³¸íÇÏ´Â sendmailÀÌ ÇØ´çµË´Ï´Ù. ÀÌÇÏ sendmailÀ̶ó°í ¾ð±ÞÇÏ°Ú½À´Ï´Ù.)°¡ ´ë±âÇÏ°í ÀÖ´Ù°¡ NMÀÌ º¸³»°íÀÚ ÇÏ´Â ¸ÞÀÏÀ» ¹Þ½À´Ï´Ù. ±×·¯¸é sendmailÀº ½ºÇ®µð·ºÅ丮(½Ã½ºÅÛ ¸¶´Ù Á¶±Ý¾¿ Ʋ¸³´Ï´Ù. Á¦°¡ »ç¿ëÇÏ´Â Solaris 2.x¿¡¼­´Â /var/spool/mqueue¸¦ »ç¿ëÇÕ´Ï´Ù.)¿¡ ¸ÞÀÏÀ» ÀúÀåÇØ µÐ ÈÄ kebi.comÀÇ 25¹ø Æ÷Æ®·Î Á¢¼ÓÇÕ´Ï´Ù. kebi.com¿¡µµ sendmailÀÌ 25¹ø Æ÷Æ®¿¡¼­ ´ë±âÇÏ°í ÀÖ°ÚÁÒ. Á¤»óÀûÀ¸·Î Á¢¼ÓÀ» ÇÑ ÈÄ taegu.ac.kr¿¡ ÀÖ´Â sendmailÀº kebi.com¿¡ ÀÖ´Â sendmail¿¡°Ô ¸ÞÀÏÀ» Àü¼ÛÇÑ ÈÄ ÀÚ½ÅÀÇ ½ºÇ®¿¡ ÀúÀåµÈ ¸ÞÀÏÀ» »èÁ¦ÇÕ´Ï´Ù. taegu.ac.kr¿¡ ÀÖ´Â sendmailÀº ´õÀÌ»ó ÇÒ ÀÏÀÌ ¾ø´Â°ÅÁÒ. ¸¸ÀÏ kebi.com¿¡ ÀÌ»óÀÌ À־ Á¢¼ÓÇÒ ¼ö ¾ø´Ù¸é ¾î¶»°Ô µÉ±î¿ä? taegu.ac.kr¿¡ ÀÖ´Â sendmailÀº ¸ÞÀÏÀ» ½ºÇ® µð·ºÅ丮¿¡ °è¼Ó °¡Áö°í ÀÖÀ¸¸ç ¼ö½Ã·Î Á¢¼ÓÀ» ½ÃµµÇÕ´Ï´Ù. ±×·¯´Ù°¡ ¸çÄ¥ÀÌ Áö³ªµµ º¸³¾ ¼ö ¾ø´Ù¸é óÀ½¿¡ ¸ÞÀÏÀ» º¸³½ »ç¶÷¿¡°Ô ¸ÞÀÏÀ» º¸³¾ ¼ö ¾ø´Ù°í µÇµ¹·Á ÁÝ´Ï´Ù.

ÀÌÁ¦ ¸ÞÀÏÀ» ¹ÞÀº kebi.com¿¡ ÀÖ´Â sendmailÀÌ ÇÏ´ÂÀÏÀ» Â÷·Ê´ë·Î »ìÆ캸ÁÒ. ¸ÞÀÏÀ» ¹ÞÀº sendmailÀº ¸ÞÀÏÀÇ µµÂøÁö°¡ ÀÚ½ÅÀÎÁö È®ÀÎÀ» ÇÕ´Ï´Ù.(sendmail.cwÆÄÀÏ ÂüÁ¶) ¸¸ÀÏ µµÂøÁö°¡ ÀÚ½ÅÀÌ ¾Æ´Ï¶ó¸é µµÂøÁö·Î ¸ÞÀÏÀ» ´Ù½Ã Àü¼ÛÇÕ´Ï´Ù. (ÀÌ °æ¿ì¿¡´Â ¾Æ·¡¿¡ ¼³¸íµå¸®°ÚÁö¸¸ relay¸¦ Çã¿ëÇϴ ȣ½ºÆ®·Î¸¸ Àü´ÞÇÒ ¼ö ÀÖ½À´Ï´Ù. ±×·¸Áö ¾ÊÀº°æ¿ì¿¡´Â ¿¡·¯¸¦ Ãâ·ÂÇÕ´Ï´Ù.) ¸¸ÀÏ ÀÚ½ÅÀÌ ¸ÞÀÏÀÇ µµÂøÁö¶ó¸é ¸ÞÀÏÀ» MDA(Mail Delivery Agent)¿¡°Ô ³Ñ°ÜÁÝ´Ï´Ù. MDA´Â ¸ÞÀÏÀ» MTA·ÎºÎÅÍ ¹Þ¾Æ¼­ ¸ÞÀϹڽºµî¿¡ ÀúÀåÇϰųª ¿øÇÏ´Â ÇÊÅ͸µÀ» ÇÒ ¼ö ÀÖ´Â ÇÁ·Î±×·¥ÀÔ´Ï´Ù. º¸Åë ±âº»ÀûÀ¸·Î »ç¿ëÇÏ´Â MDAÇÁ·Î±×·¥Àº /bin/mailÀ̸ç, ÇÑ±Û Ã³¸®¸¦ À§ÇØ procmailÀ» ÀÌ¿ëÇÏ´Â ¼­¹öµµ ¸¹ÀÌ ÀÖ½À´Ï´Ù. ¸ÞÀÏÀ» ¹ÞÀº MDA´Â ÇÊÅ͸µ °úÁ¤À» °ÅÄ£ ÈÄ »ç¿ëÀÚÀÇ ¸ÞÀϹڽº¿¡ ÀúÀåÇÕ´Ï´Ù.

ÀÌÁ¦ ¸ÞÀÏÀÇ Àü¼ÛÀº ¿Ï·áµÇ¾ú½À´Ï´Ù. »ç¿ëÀÚ´Â mutt³ª pineµîÀÇ MUA¸¦ ÀÌ¿ëÇÏ¿© ¸ÞÀÏÀ» È®ÀÎÇÒ ¼ö ÀÖÀ¸¸ç ¿ÜºÎ¿¡¼­ ¸ÞÀÏÀ» È®ÀÎÇÏ´Â °æ¿ì POP3³ª IMAPÇÁ·ÎÅäÄÝÀ» ÀÌ¿ëÇÏ¿© ¸ÞÀϹڽº¸¦ °¡Á®°¥ ¼ö ÀÖ½À´Ï´Ù. POP3³ª IMAP¿¡ °üÇÑ ³»¿ëÀº º» ±ÛÀÇ ¹üÀ§¸¦ ¹þ¾î³ª¹Ç·Î ¼³¸íÀº ÇÏÁö ¾Ê°Ú½À´Ï´Ù.

À̻󿡼­ º¸µíÀÌ sendmailÀº MTAÀÇ ¿ªÈ°À» ÇÕ´Ï´Ù. »ç¿ëÀڷκÎÅÍ ¸ÞÀÏÀ» Àü´Þ¹Þ¾Æ ´Ù¸¥ ÄÄÇ»ÅÍÀÇ MTA¿¡°Ô ³Ñ°ÜÁÖ°í, ´Ù¸¥ MTA·Î ºÎÅÍ ¹ÞÀº ¸ÞÀÏÀ» MDA¿¡°Ô ³Ñ°ÜÁÖ´Â ÀÎÅÍ³Ý ÀüÀÚ¸ÞÀÏÀÇ °¡Àå Á߽ɺο¡ À§Ä¡ÇÏ°í ÀÖ½À´Ï´Ù. ¹°·Ð MTA¿¡´Â ´Ù¾çÇÑ ÇÁ·Î±×·¥ÀÌ ÀÖÁö¸¸ sendmailÀº Ä«Å×°í¸® ų·¯(ÇØ´çºÐ¾ßÀÇ ´Ù¸¥ ÇÁ·Î±×·¥µéÀº ¾Æ¿¹ ÀØÇôÁ® ¹ö¸± ¸¸ÇÑ °æÀï·ÂÀ» °®Ãß°í ÀÚ½ÅÀÇ ÁöÀ§¸¦ È®°íÈ÷ ÇÏ´Â ÃÖ°í ¼öÁØÀÇ ÇÁ·Î±×·¥)°¡ µÉ ¼ö ÀÖ´Â ´É·ÂÀ» °®Ãß¾ú°í, ÇöÀç UNIX±â¹Ý ¸ÞÀϼ­¹öÀÇ °ÅÀÇ ´ëºÎºÐÀÌ MTA·Î sendmailÀ» ¾²°í ÀÖ½À´Ï´Ù.

2. ÄÄÆÄÀÏ ¹× ¼³Ä¡

2.1 °¡Á®¿À±â

http://www.sendmail.org¿¡¼­ ¹èÆ÷ÇÏ´Â sendmailÀÇ ¹èÆ÷ÆÇÀº 1998³â 10¿ù 31ÀÏ ÇöÀç 8.9.1aÀÌ ÃÖ½ÅÀÔ´Ï´Ù. (ÀÌ´Â sendmail 8.9.1°ú 8.9.1a·ÎÀÇ ÆÐÄ¡·Î ÀÌ·ç¾îÁ® ÀÖ½À´Ï´Ù.) ¿ì¼± ÆÄÀÏÀ» ´Ù¿î·Îµå ¹Þ¾Æ¼­ Ç®¾îµÓ´Ï´Ù.

temp $ gzip -dc sendmail.8.9.1.tar.gz | tar xvf -
temp $ cd sendmail-8.9.1/src
src $ patch < ../../sendmail.8.9.1a.patch

** Solarisµî¿¡ ±âº»ÀûÀ¸·Î µé¾îÀÖ´Â patch¸¦ »ç¿ëÇϸé Àß µÇÁö ¾Ê½À´Ï´Ù. GNU patch¸¦ ¼³Ä¡Çϼż­ »ç¿ëÇϽñ⠹ٶø´Ï´Ù.

2.2 ÄÄÆÄÀÏ

ÁÖÀÇ**) http://www.sendmail.org/compiling.html¿¡¼­´Â srcµð·ºÅ丮¿¡¼­ Á÷Á¢ make¸¦ ÀÌ¿ëÇؼ­ ÄÄÆÄÀÏ ÇÏÁö ¸»µµ·Ï ÇÏ°í ÀÖ½À´Ï´Ù. ÀÌ ´ë½Å Build ½©½ºÅ©¸³Æ®¸¦ »ç¿ëÇϵµ·Ï ±ÇÇÏ°í ÀÖ½À´Ï´Ù.

°¡Àå ½¬¿î ¹æ¹ýÀº Build½ºÅ©¸³Æ®¸¦ »ç¿ëÇÏ´Â °ÍÀÔ´Ï´Ù. ´Ü¼øÈ÷ sh Build ¶ó°í Ä¡¸é ÄÄÆÄÀÏ ÀÛ¾÷À» ¼öÇàÇÕ´Ï´Ù. (±âÁ¸¿¡ sendmailÀ» ¼³Ä¡Çß´ø »ç¶÷µéÁß¿¡´Â makesendmail ½ºÅ©¸³Æ®¸¦ »ç¿ëÇÑ »ç¶÷µéÀÌ ¸¹Àºµ¥ ÀÌ´Â Build ½ºÅ©¸³Æ®¿Í µ¿ÀÏÇÑ ÇÁ·Î±×·¥À» °¡¸®Å°°í ÀÖÀ¸¹Ç·Î Build¸¦ »ç¿ëÇصµ ¹«¹æÇÕ´Ï´Ù. µû¶ó¼­ makesendmail´ë½Å¿¡ Build¸¦ »ç¿ëÇϱ⸦ ±ÇÇÕ´Ï´Ù.)

sendmail 8.9.1 $ cd src
src $ sh Build
Configuration: os=SunOS, rel=5.6, rbase=5, rroot=5.6, arch=sun4, sfx=
Using M4=/usr/ccs/bin/m4
Creating obj.SunOS.5.6.sun4 using ../BuildTools/OS/SunOS.5.6
Making dependencies in obj.SunOS.5.6.sun4
gcc -M -I.  -DNDBM -DNIS -DNISPLUS -DMAP_REGEX -DSOLARIS=20600  *.c >> Makefile
Making in obj.SunOS.5.6.sun4
gcc -O -I.  -DNDBM -DNIS -DNISPLUS -DMAP_REGEX -DSOLARIS=20600    -c alias.c -o alias.o

À§ÀÇ ¸Þ½ÃÁö¸¦ Àá½Ã »ìÆ캸¸é ÇöÀç ½Ã½ºÅÛÀÌ »ç¿ëÇÏ°í ÀÖ´Â ¿î¿µÃ¼Á¦(os)´Â SunOSÀ̸ç release´Â 5.6ÀÓÀ» ¾Ë ¼ö ÀÖ½À´Ï´Ù. ¶ÇÇÑ ½Ã½ºÅÛÀÇ ¾ÆÅ°ÅØÃÄ´Â sun4ÀÔ´Ï´Ù. ³ªÁß¿¡ sendmail.cfÆÄÀÏÀ» ¸¸µé¶§ »ç¿ëÇÏ´Â m4´Â /usr/ccs/bin/m4¸¦ »ç¿ëÇÏ°í ÇöÀç µð·ºÅ丮 ¾Æ·¡¿¡ obj.SunOS.5.6.sun4 µð·ºÅ丮¿¡ ¹ÙÀ̳ʸ® ÆÄÀϵéÀ» »ý¼ºÇϸç ÄÄÆÄÀÏ ¶§ »ç¿ëÇÏ´Â ÆÄÀÏÀº ../BuildTools/OS/SunOS.5.6 ÀÓÀ» ¾Ë ¼ö ÀÖ½À´Ï´Ù.

¿ì¼± Makefile¿¡ ¼Ò½ºÆÄÀÏÀÇ ÀÇÁ¸°ü°è¸¦ Ãß°¡ÇÏ°í º»°ÝÀûÀÎ ÄÄÆÄÀÏÀ» ½ÃÀÛÇÕ´Ï´Ù. (ÀÇÁ¸°ü°èÀÇ »ý¼º¿¡ °üÇÑ ³»¿ëÀº Makefile¿¡ °ü·ÃµÈ ÀڷḦ Âü°íÇϱ⠹ٶø´Ï´Ù.)

sendmailÀº ´Ù¾çÇÑ ¼³Á¤À» °¡Áö´Âµ¥ ÁÖ·Î ¸ÅÅ©·Î¸¦ »ç¿ëÇÏ¿© ¼³Á¤ÇÕ´Ï´Ù. À§¿¡¼­ »ç¿ëµÈ -DNBDM -DNIS -DNISPLUS -DMAP_REGEXµîÀÌ ±×°ÍÀÔ´Ï´Ù. ÀÌ°Í ÀÌ¿Ü¿¡µµ ¸¹Àº ¸ÅÅ©·Î°¡ ÀÖÀ¸¸ç ¿©±â¿¡¼­´Â ±×Áß¿¡¼­ Áß¿äÇѰ͸¸ ¼³¸íÇÏ°Ú½À´Ï´Ù.

  • -DNEWDB : Berkeley DBÆÐÅ°Áö¸¦ »ç¿ëÇÒ ¶§ »ç¿ëÇÕ´Ï´Ù. sendmail¿¡¼­´Â alias¿Í ÀϹÝÀûÀÎ ¸Ê(map)À» À§Çؼ­ DBÆÐÅ°Áö¸¦ ÀÌ¿ëÇϴµ¥ ÀÌ DBÆÐÅ°Áö Áß Berkeley DBÆÐÅ°Áö¸¦ »ç¿ëÇÔÀ» ÀǹÌÇÏ´Â ¸ÅÅ©·ÎÀÔ´Ï´Ù. ¸¸ÀÏ ¼³Ä¡ÇÏ°íÀÚ ÇÏ´Â ½Ã½ºÅÛ¿¡ Berkeley DBÆÐÅ°Áö°¡ ¼³Ä¡µÇ¾î ÀÖÁö ¾Ê´Ù¸é http://www.sleepycat.com¿¡¼­ ÃֽŠ¹öÀüÀÇ ÆÐÅ°Áö¸¦ °¡Á®´Ù ¼³Ä¡ÇϽñ⠹ٶø´Ï´Ù. sendmail¿¡¼­´Â DBÆÐÅ°Áö·Î Berkeley DB¸¦ »ç¿ë±â¸¦ ±ÇÇÏ°í ÀÖ½À´Ï´Ù. ¹°·Ð ´Ù¸¥ ÆÐÅ°Áö¸¦ »ç¿ëÇÒ ¼ö ÀÖÀ¸³ª Berkeley DBÆÐÅ°Áö¸¦ ±¸Çؼ­ ¼³Ä¡ÇÏ´Â°Ô ¿©·¯¸ð·Î ÁÁ½À´Ï´Ù. ÇÊÀÚµµ óÀ½¿¡ gdbmÀ» »ç¿ëÇÏ´Ù°¡ Berkeley DB·Î ¹Ù²Ù¾ú½À´Ï´Ù.
  • -DNDBM : DBÆÐÅ°Áö·Î ¿¾³¯¿¡ »ç¿ëµÇ¾ú´ø NDBMÆÐÅ°Áö¸¦ »ç¿ëÇÒ ¶§ »ç¿ëÇÕ´Ï´Ù. (NDBM¸ÅÅ©·Î¸¦ Á¤ÀÇÇßÀ»¶§ gdbm¶óÀ̺귯¸®¸¦ ¸µÅ©ÇÕ´Ï´Ù.) ÀÌ NDBMÆÐÅ°Áö´Â ´õ ÀÌ»ó »ç¿ëµÇÁö ¾ÊÀ¸¸ç µû¶ó¼­ ¼³Ä¡ÀÚ´Â NDBM´ë½Å¿¡ NEWDB¸¦ »ç¿ëÇÏ´Â°Ô ÁÁ½À´Ï´Ù.
  • -DNIS, -DNISPLUS : °¢°¢ NIS¿Í NIS+¸¦ Áö¿øÇϱâ À§ÇØ »ç¿ëÇÕ´Ï´Ù. ¸¸ÀÏ ½Ã½ºÅÛ¿¡¼­ NIS¿Í NIS+¸¦ Áö¿øÇÑ´Ù¸é ÀÌ ¸ÅÅ©·Î¸¦ Á¤ÀÇÇؼ­ ¾²´Â°Ô ÁÁ½À´Ï´Ù.
  • -DMAP_REGEX : ½ºÆÔ¸ÞÀϵîÀ» ÇÊÅ͸µÇÒ ¶§ Á¤±Ô½Ä(Regular Expression)À» »ç¿ëÇÒ ¼ö ÀÖµµ·Ï ÇÕ´Ï´Ù. ÀÌ ¸ÅÅ©·Î¸¦ »ç¿ëÇÏ·Á¸é POSIXÀÇ regex()·çƾÀÌ Àְųª, FSF¿¡¼­ ¸¸µç regexp ¶óÀ̺귯¸®°¡ ¼³Ä¡µÇ¾î ÀÖ¾î¾ß ÇÕ´Ï´Ù.

ÀÌ ¸ÅÅ©·ÎµéÀº ¿©·¯°³¸¦ ÇѲ¨¹ø¿¡ Á¤ÀÇÇؼ­ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. (½ÉÁö¾î´Â -DNEWDB¿Í -DNDBMµµ ÇѲ¨¹ø¿¡ Á¤ÀÇÇؼ­ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. ¹°·Ð ÀÌ °æ¿ì¿¡´Â óÀ½¿¡ NDBMÀ¸·Î ¸¸µé¾îÁø aliasÆÄÀÏÀ» Àоî Berkeley DBÇüÅ·Π¹Ù²Ù°í Berkeley DBÇüÅ·Π°è¼Ó »ç¿ëÇÕ´Ï´Ù.) ÇÏÁö¸¸ -DNDBMÀº ¾²Áö ¸»±â¸¦ ÇÊÀÚ´Â ÃßõÇÕ´Ï´Ù. ±×¸®°í ¸¸ÀÏ -DNEWDB°¡ Build ½ºÅ©¸³Æ®¿¡ ÀÇÇؼ­ ÀÚµ¿ÀûÀ¸·Î Ãß°¡µÇÁö ¾Ê¾Ò´Ù¸é Á÷Á¢ MakefileÀ» ¼öÁ¤Çؼ­ Ãß°¡Çϵµ·Ï ÇÕ´Ï´Ù.

ÀÌ·¸°Ô MakefileÀ» ¼öÁ¤ÇÑ °æ¿ì »õ·Î ÄÄÆÄÀÏ ÇÏ´Â °ÍÀÌ ÁÁ½À´Ï´Ù. ¸¸ÀÏ ÇÁ·Î±×·¥¿¡ Àͼ÷ÇÏ´Ù¸é ÇÊÀÚ°¡ Á÷Á¢ ¾ð±ÞÇÏÁö ¾Ê¾Æµµ Àß ¾Ë°ÚÁö¸¸, ±×·¸Áö ¾ÊÀº °æ¿ì -DNEWDB¿Í °°ÀÌ ¸ÅÅ©·Î¸¦ ¼öÁ¤Çß´Ù¸é ¸ðµç ÀÌÁøÆÄÀÏÀÎ *.o¿Í sendmail¹ÙÀ̳ʸ®¸¦ »èÁ¦ÇÑ ÈÄ ´Ù½Ã Build¸¦ ½ÇÇàÇÏ°í, -ldbµîÀ¸·Î ¶óÀ̺귯¸®¸¦ Ãß°¡Çß´Ù¸é sendmail¹ÙÀ̳ʸ®¸¸ »èÁ¦ÇÑ ÈÄ ´Ù½Ã Build¸¦ ½ÇÇàÇÏ¸é µË´Ï´Ù.

¸¸ÀÏ Solaris 2.6À» »ç¿ëÇÑ´Ù¸é -DNEWDB -DNIS -DNISPLUS -DMAP_REGEX¸¦ MAPDEF¿¡ Á¤ÀÇÇÏ°í, LIBS´Â -lresolv -lsocket -lnsl -lkstat -ldbÀ» »ç¿ëÇÏ´Â °ÍÀ» ÃßõÇÕ´Ï´Ù. ÇÊÀÚ´Â Solaris 2.6¿¡¼­ À§¿Í°°ÀÌ ¼³Á¤ÇÑ ÈÄ Àß ¾²°í ÀÖ½À´Ï´Ù. ¹°·Ð ÀÌ ¼³Á¤À» »ç¿ëÇؼ­ ÄÄÆÄÀÏ ÇÏ·Á¸é Berkeley DB°¡ ÀÌ¹Ì ¼³Ä¡µÇ¾î ÀÖ¾î¾ß ÇÕ´Ï´Ù. ¾ÆÁ÷ Berkeley DBÆÐÅ°Áö¸¦ ¼³Ä¡ÇÏÁö ¾Ê¾Ò´Ù¸é ¿ì¼± ±×°ÍºÎÅÍ ¼³Ä¡ÇϽñ⠹ٶø´Ï´Ù.

2.3 ¼³Ä¡ ¹× sendmail.cf»ý¼º

ÇÁ·Î±×·¥ÀÇ »ý¼ºÀÌ ³¡³ª¸é obj.$os.$rel.$arch µð·ºÅ丮(¿¹¸¦µé¾î ÇÊÀÚÀÇ °æ¿ì SunOS.5.6.sun4)¿¡ µé¾î°¡¼­ ¼öÆÛÀ¯ÀúÀÇ ±ÇÇÑÀ¸·Î make installÀ» ½ÇÇàÇÏ¸é ¸Å´º¾óµîÀÇ ÆÄÀÏÀÌ ÀνºÅç µË´Ï´Ù. ±âº»ÀûÀ¸·Î sendmail ¹ÙÀ̳ʸ®´Â /usr/lib/ µð·ºÅ丮¿¡ ¼³Ä¡µË´Ï´Ù. ¼³Ä¡µÈ sendmail¹ÙÀ̳ʸ®ÀÇ ¸ðµå¿Í ¼ÒÀ¯ÀÚµîÀº ¾Æ·¡¿Í °°¾Æ¾ß ÇÕ´Ï´Ù.

/ $ ls -l /usr/lib/sendmail
-r-sr-x--x   1 root     bin       412896  6¿ù  5ÀÏ  18:04 /usr/lib/sendmail

¸¸ÀÏ À§¿Í ´Ù¸£´Ù¸é ¾Æ·¡¿Í °°ÀÌ ÀÔ·ÂÇÏ¿© Á¤È®ÇÏ°Ô ¸¸µå½Ã±â ¹Ù¶ø´Ï´Ù.

/ $ chown root /usr/lib/sendmail
/ $ chgrp bin /usr/lib/sendmail
/ $ chmod 4555 /usr/lib/sendmail

** GNU groff°¡ ¾ø´Â ½Ã½ºÅÛ¿¡¼­´Â ¸Þ´º¾óÀ» ¸¸µé¶§ ¿¡·¯°¡ ³³´Ï´Ù. GNU groff¸¦ ¼³Ä¡ÇÏ¸é ±ò²ûÇÏ°Ô(?) ÇØ°áÀÌ µÇÁö¸¸, ¿©ÀÇÄ¡ ¾ÊÀ»¶§´Â ¸Þ´º¾óÀ» ¼³Ä¡ÇÏÁö ¾Ê°í sendmail¹ÙÀ̳ʸ®¸¦ ¼öÀÛ¾÷À¸·Î ¼³Ä¡ÇÏ¿©µµ »ó°üÀÌ ¾ø½À´Ï´Ù.

ÀÌÁ¦ sendmail ¹ÙÀ̳ʸ® ÆÄÀÏÀº ¼³Ä¡¸¦ ÇßÀ¸¹Ç·Î sendmail.cf ÆÄÀÏÀ» ¸¸µé¾î¾ß ÇÕ´Ï´Ù. sendmail.cfÆÄÀÏÀº Á÷Á¢ ¼öÁ¤ÇÒ ¼ö ÀÖÀ¸³ª m4¸¦ ÀÌ¿ëÇؼ­ »ý¼ºÇÏ´Â°Ô ½±½À´Ï´Ù. cf/cf µð·ºÅ丮¿¡´Â ´Ù¾çÇÑ mcÆÄÀÏÀÌ ÀÖÀ¸¹Ç·Î ÀÚ½ÅÀÇ ½Ã½ºÅÛ¿¡ °¡Àå Àû´çÇÑ mcÆÄÀÏÀ» ¼±ÅÃÇÕ´Ï´Ù. ¿¹¸¦µé¾î ÇÊÀÚÀÇ °æ¿ì´Â Solaris 2.6À̹ǷΠgenric-solaris2.mc ÆÄÀÏÀ» »ç¿ëÇß½À´Ï´Ù. ÀÌ mcÆÄÀÏÀ» ÀÌ¿ëÇؼ­ sendmail.cfÆÄÀÏÀ» »ý¼ºÇÏ´Â ¹æ¹ýÀº ¾Æ·¡¿Í °°½À´Ï´Ù.

sendmail $ cd cf/cf
cf $ m4 ../m4/cf.m4 generic-solaris2.mc > sendmail.cf

ÀÌ sendmail.cf¸¦ /etc/mail ¿¡ º¹»çÇÑ ÈÄ /etc/sendmail.cf¸¦ /etc/mail/sendmail.cf·Î ½Éº¼¸¯ ¸µÅ©¸¦ »ý¼ºÇÕ´Ï´Ù. (ln -s /etc/mail/sendmail.cf /etc/sendmail.cf)

** LinuxÀÇ °æ¿ì¿¡´Â mcÆÄÀÏÀÌ ¾ø½À´Ï´Ù. À̶§´Â ´Ù¸¥ mcÆÄÀÏ¿¡¼­ OSTYPE¸¸ linux·Î º¯°æÇÑ ÈÄ »ý¼ºÇÏ¸é µË´Ï´Ù. Linux¿¡¼­ local mailer·Î procmailÀ» »ç¿ëÇÏ´Â ½Ã½ºÅÛ¿¡¼­ ÀϹÝÀûÀÎ mcÆÄÀÏÀº ¾Æ·¡¿Í °°½À´Ï´Ù.

VERSIONID(`linux for smtp-only setup with procmail for korean mail`)dnl
OSTYPE(linux)dnl
FEATURE(nouucp)dnl
FEATURE(local_procmail)dnl
FEATURE(access_db)dnl
MAILER(local)dnl
MAILER(smtp)dnl

3. Ãß°¡ÀûÀÎ ÀÛ¾÷µé

3.1 sendmail.cwÀÇ »ý¼º

/etc/mail/sendmail.cw¿¡ ¸ÞÀÏÀ» ¹ÞÀ» ¼ö Àִ ȣ½ºÆ® À̸§À» Àû½À´Ï´Ù. ÀÌ°÷¿¡ ÀûÀº À̸§À¸·Î ¸ÞÀÏÀÌ µé¾î¿À¸é ´õ ÀÌ»ó ´Ù¸¥°÷À¸·Î ¸ÞÀÏÀ» º¸³»Áö ¾Ê°í MDA(Mail Delivery Agent, ¸ÞÀÏÀ» MTA¿¡°Ô¼­ ¹Þ¾Æ ¸ÞÀϹڽº¿¡ ÀúÀåÇÏ´Â ÇÁ·Î±×·¥)·Î Àü´ÞÇÕ´Ï´Ù. º¸Åë FQDN(Fully Qualified Domain Name)À» Àû°í ¸¸ÀÏ ¿©·¯°³ÀÇ È£½ºÆ® À̸§À» »ç¿ëÇÑ´Ù¸é ¸ðµÎ Àû¾îÁà¾ß ÇÕ´Ï´Ù.

/ $ cd /etc/mail
mail $ cat sendmail.cw
hostname.domain.com
hostname2.domain.com

3.2 µð·ºÅ丮 ¸ðµåº¯È¯

sendmail 8.9.x ¿¡¼­´Â º¸¾È»ó ¸î°¡Áö µð·ºÅ丮ÀÇ ¸ðµå¸¦ °Ë»çÇؼ­ Àû´çÇÏÁö ¾Ê´Ù¸é sendmailÀÚü°¡ ½ÇÇàÀÌ ¾ÈµË´Ï´Ù. µû¶ó¼­ ¾Æ·¡¿Í °°ÀÌ ÀÔ·ÂÇØ ÁÖ¾î¾ß ÇÕ´Ï´Ù. ÀÚ¼¼ÇÑ ³»¿ëÀº DontBlameSendmail and Enhanced File Security¸¦ Âü°íÇϽñ⠹ٶø´Ï´Ù.

/ $ chmod go-w / /etc /etc/mail /usr /var /var/spool /var/spool/mqueue
/ $ chown root / /etc /etc/mail /usr /var /var/spool /var/spool/mqueue

ÀÌ°Í ¿Ü¿¡µµ À¯Àúµð·ºÅ丮¿¡ ±×·ìÀÌ ¾²±â°¡´ÉÇϰųª, other°¡ ¾²±â °¡´ÉÇÏ´Ù¸é .forward°¡ ÀÛµ¿ÇÏÁö ¾Ê½À´Ï´Ù. ¸¸ÀÏ ÀÏ¹Ý »ç¿ëÀÚÀÇ .forwardÆÄÀÏÀÌ ÀÛµ¿ÇÏÁö ¾ÊÀ¸¸é ±× »ç¿ëÀÚ È¨ µð·ºÅ丮ÀÇ ¸ðµå¸¦ È®ÀÎÇϽñ⠹ٶø´Ï´Ù.

3.3 /etc/hostsÆÄÀÏ

Âü°í·Î /etc/hosts ÆÄÀÏÀÇ ÇüÅ°¡ ´ëºÎºÐ ¾Æ·¡¿Í °°ÀÌ µÇ¾îÀÖ½À´Ï´Ù.

/ $ cat /etc/hosts
127.0.0.1       localhost       
155.230.28.125  khaki   loghost
155.230.28.115  purple

ÇÏÁö¸¸ ÀÌ ÆÄÀÏÀ» ¾Æ·¡¿Í °°ÀÌ ¼öÁ¤ÇϽñ⠹ٶø´Ï´Ù. (Â÷ÀÌÁ¡Àº ¾Æ½Ã°ÚÁÒ? ^^)

/ $ cat /etc/hosts
127.0.0.1       localhost       
155.230.28.125  khaki.ce.kyungpook.ac.kr        khaki   loghost
155.230.28.115  purple.ce.kyungpook.ac.kr       purple

3.4 Å×½ºÆ®

ÀÌ·¸°Ô ¼³Á¤À» ¸ðµÎ ¸¶Ä¡¼Ì´Ù¸é ´ÙÀ½°ú °°ÀÌ Çؼ­ ¿¡·¯ ¸Þ½ÃÁö°¡ ¾ø´ÂÁö¸¦ È®ÀÎÇØ º¸½Ã±â ¹Ù¶ø´Ï´Ù.

/ $ /usr/lib/sendmail -bi

ÀÌ ¶§ ¿¡·¯ ¸Þ½ÃÁö°¡ ¾ø¾î¾ß ÇÕ´Ï´Ù. ¸¸ÀÏ ¿¡·¯ ¸Þ½ÃÁö°¡ ³µ´Ù¸é /var/log/syslog È­ÀÏÀÇ µÞºÎºÐÀ» º¸½Ã±â ¹Ù¶ø´Ï´Ù. ¸¸ÀÏ º° ¹®Á¦°¡ ¾ø´Ù¸é ÀÌÁ¦ sendmailÀ» ´Ù½Ã ¶ç¿ì½Ã¸é µË´Ï´Ù.

3.5 µ¥¸ó ¶ç¿ì±â

/ $ /usr/lib/sendmail -bd -q1h

±×¸®°í ¹Ýµå½Ã /var/log/syslog ¸¦ È®ÀÎÇϽðí, ¸ÞÀÏÀ» º¸³»°í ¹Þ´Â Å×½ºÆ®¸¦ Áö±Ý ¹Ù·Î ÇØ ÁÖ¼¼¿ä. ±×¸®°í /var/log/syslog ¿¡ ¿¡·¯ ¸Þ½ÃÁö°¡ ÀÖ´ÂÁöµµ »ìÆì º¸½Ã±â ¹Ù¶ø´Ï´Ù.

4. ÇѱÛÁö¿ø

¸ÞÀÏ¿¡¼­ »ç¿ëµÇ´Â SMTPÇÁ·ÎÅäÄÝÀº ±âº»ÀûÀ¸·Î 7bit¹®ÀÚ¸¸À» ±â¹ÝÀ¸·Î Á¦À۵Ǿú½À´Ï´Ù. ÇÏÁö¸¸ ÇѱÛÀÇ °æ¿ì EUC-KR·Î Ç¥ÇöÇϸé 8bit¸¦ »ç¿ëÇϱ⠶§¹®¿¡ ¹®Á¦°¡ »ý±æ ¼ö ÀÖ½À´Ï´Ù. µû¶ó¼­ ¸ÞÀÏ¿¡¼­ »ç¿ëÇϱâ À§ÇØ ÇѱÛÀÇ 7bit Ç¥Çö¹æ¹ýÀÎ ISO-2022-kr(RFC 1557)ÀÌ ¸¸µé¾î Á³°í ¸ÞÀÏÀÇ º»¹®¿¡ »ç¿ëµÇ¾ú½À´Ï´Ù(Çì´õ¿¡´Â EUC-KRÀ» B³ª QÀÎÄÚµù ¹æ¹ýÀ¸·Î ÀÎÄÚµùÇؼ­ »ç¿ëÇß½À´Ï´Ù.). ÇÏÁö¸¸ ´ëºÎºÐÀÇ ÇÁ·Î±×·¥¿¡¼­´Â ÇѱÛÀ» 8bitÇ¥Çö¹æ¹ýÀÎ EUC-KRÀ» »ç¿ëÇßÀ¸¹Ç·Î ÀÌ µÎ Ç¥Çö°£ÀÇ º¯È¯À» ÇØ ÁÖ´Â ÇÁ·Î±×·¥ÀÌ ÇÊ¿äÇß½À´Ï´Ù. ÀÌ ÀÛ¾÷Àº Å©°Ô MTA, MDA, MUA¿¡¼­ ÇØ ÁÙ ¼ö ÀÖ½À´Ï´Ù. MTA¿¡¼­ º¯È¯À» ÇØ ÁÖ´Â ´ëÇ¥ÀûÀÎ ÇÁ·Î±×·¥ÀÌ sendmail 8.6.12h2ÀÔ´Ï´Ù. ÀÌ ÇÁ·Î±×·¥Àº ÇÁ·Î±×·¥À¸·ÎºÎÅÍ 8bitÇ¥ÇöÀ» ÀÔ·ÂÀ¸·Î ¹Þ¾Æ¼­ ´Ù¸¥ °÷À¸·Î Àü¼ÛÇÒ¶§ ISO-2022-kr·Î º¯È¯ÇÑ ÈÄ Àü¼ÛÀ» ÇÏ°í, ³×Æ®¿÷À» ÅëÇØ ¹ÞÀº ISO-2022-kr·Î Ç¥ÇöµÈ ¸ÞÀÏÀ» EUC-KR·Î º¯È¯ ÈÄ ¸ÞÀϹڽº¿¡ ÀúÀåÇϵµ·Ï ¸¸µé¾î Á³½À´Ï´Ù. ±×·¡¼­ ¸î³âÀü±îÁö¸¸ Çصµ ´ëºÎºÐÀÇ ¸ÞÀϼ­¹ö¿¡¼­ sendmail 8.6.12h2¸¦ »ç¿ëÇß¾ú½À´Ï´Ù.

ÇÏÁö¸¸ SMTP ÇÁ·ÎÅäÄÝÀÌ 8bit¹®ÀÚ¸¦ Áö¿øÇÏ´Â ESMTP ÇÁ·ÎÅäÄÝ·Î º¯Çϸ鼭 º»¹®¿¡¼­µµ ISO-2022-kr´ë½Å¿¡ EUC-KRÀ» »ç¿ëÇϵµ·Ï Ç¥ÁØÀÌ ¹Ù²î¾ú½À´Ï´Ù. ÇÏÁö¸¸ ÀÌ ¾ÈÀ» Á¤½Ä Ç¥ÁØÀ¸·Î °øÇ¥ÇÏÁö ¾Ê¾Ò°í, ¾ÆÁ÷±îÁö ÀÎÅͳݿ¡´Â ISO-2022-kr ·Î Ç¥ÇöµÈ ¸ÞÀÏÀÌ µ¹¾Æ´Ù´Ï±â ¶§¹®¿¡ ÀÌ ¸ÞÀÏÀ» EUC-KR·Î º¯È¯ÇØ ÁÖ´Â ÀÛ¾÷ÀÌ Ãß°¡ÀûÀ¸·Î ÇÊ¿äÇÏ°Ô µÇ¾ú½À´Ï´Ù.

ISO-2022-krÀ» EUC-KR·Î º¯È¯ÇØ ÁÖ´Â ÇÁ·Î±×·¥µéÀº UNIXȯ°æ¿¡¼­´Â ¸¹ÀÌ ¸¸µé¾î Á³½À´Ï´Ù. hconv¿Í hmconv°¡ ´ëÇ¥ÀûÀÎ ÇÁ·Î±×·¥ÀÔ´Ï´Ù. ÀÌÁ¦ °ü¸®ÀÚ°¡ ÇØ Áà¾ß ÇÏ´ÂÀÏÀº sendmailÀÌ ¹ÞÀº ¸ÞÀÏÀ» ¸ÞÀϹڽº·Î ÀúÀåÇϱâ Àü¿¡ ÀÌ ÇÁ·Î±×·¥À» Åë°úÇÏ°Ô ¸¸µé¾î¼­ ISO-2022-krÀ» EUC-KR·Î º¯È¯¸¸ ÇØ ÁÖ¸é µÇ°Ô µÇ¾ú½À´Ï´Ù. ÀÌ·¸°Ô ÇÊÅ͸µÀ» °¡´ÉÇÏ°Ô ÇØ ÁÖ´Â ´ëÇ¥ÀûÀÎ ÇÁ·Î±×·¥ÀÌ procmailÀÔ´Ï´Ù.

¿©±â¿¡¼­´Â procmailÀ» ÀÌ¿ëÇÏ¿© ÇÑ±Û ¸ÞÀÏÀ» ó¸®ÇÏ´Â °úÁ¤À» ¼³¸íµå¸®°Ú½À´Ï´Ù. ¿©±â¿¡¼­ ¾Ë¾ÆµÎ¼Å¾ß ÇÒ ³»¿ëÁß¿¡ Áß¿äÇÑ ³»¿ëÀ¸·Î MDA¿¡ ´ëÇÑ ÀÌÇØÀÔ´Ï´Ù. MDA(Mail Delivery Agent)´Â MTA(Mail Transfer Agent, ´ëÇ¥ÀûÀÎ ¿¹´Â sendmailÀÔ´Ï´Ù.)°¡ ¹ÞÀº ¸ÞÀÏÀÇ ÃÖÁ¾ÀûÀÎ µµÂøÁö°¡ ÇöÀç È£½ºÆ®Àΰæ¿ì(sendmailÀÇ °æ¿ì sendmail.cw¸¦ Âü°íÇÏ¿© °áÁ¤ÇÕ´Ï´Ù.) ¸ÞÀÏÀ» MDA¿¡°Ô ³Ñ°ÜÁÝ´Ï´Ù. º¸Åë ½Ã½ºÅÛÀÇ ±âº»ÀûÀÎ MDA´Â /bin/mailÀÔ´Ï´Ù. procmailÀº /bin/mail´ë½Å¿¡ »ç¿ëÇÒ ¼ö ÀÖ´Â ÇÁ·Î±×·¥À¸·Î ÇÊÅ͸µ ±â´ÉÀÌ °­·ÂÇÏ¿© ÇѱÛ󸮿¡ ÀÌ¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù.

¶Ç À߸ø ÀÌÇØÇϽô ºÐµéÁß¿¡ procmailÀÚü°¡ ÇÑ±Û µðÄÚµùÀ» ÇØÁØ´Ù°í ¾Ë°í °è½ÅºÐµéÀÌ ¸¹½À´Ï´Ù. ÀÌ°ÍÀº À߸øµÈ °ÍÀÔ´Ï´Ù. ½ÇÀç·Î procmailµµ ÇÑ±Û µðÄÚµùÀ» À§ÇØ ´Ù¸¥ ÇÁ·Î±×·¥(º¸Åë hcode³ª hmconv¸¦ ÀÌ¿ëÇÕ´Ï´Ù.)À» ÀÌ¿ëÇÕ´Ï´Ù. procmailÀÌ ÇÏ´ÂÀÏÀº ´Ü¼øÈ÷ ¾î¶² Çì´õ°¡ ÀÖÀ»¶§ Àû´çÇÑ ÇÁ·Î±×·¥À» ºÒ·¯ ÇÑ±Û µðÄÚµùÀ» ÇØ ÁÝ´Ï´Ù.

µû¶ó¼­ procmail»Ó¸¸ ¾Æ´Ï¶ó ÇÑ±Û µðÄÚµùÀ» À§ÇÑ ÇÁ·Î±×·¥À» ¼³Ä¡ÇÏ¼Å¾ß ÇÕ´Ï´Ù. ¿©±â¿¡¼­´Â hcode¸¦ »ç¿ëÇϵµ·Ï ÇÏ°Ú½À´Ï´Ù.

hcode´Â ftp://ftp.kaist.ac.kr/hangul/code/hcode/¿¡¼­ ±¸ÇÒ ¼ö ÀÖ½À´Ï´Ù. °¡Á®¿Â ÇÁ·Î±×·¥À» Àû´çÇÑ µð·ºÅ丮¿¡ Ç®°í ¼Ò½º µð·ºÅ丮¿¡¼­ ´Ü¼øÈ÷ make¸¦ ÀÔ·ÂÇϸé ÄÄÆÄÀÏÀÌ ¿Ï·áµË´Ï´Ù. ÄÄÆÄÀÏ °á°ú·Î »ý±ä hcode¸¦ /usr/local/bin ¿¡ º¹»çÇØ µÓ´Ï´Ù.(´Ù¸¥ µð·ºÅ丮µµ »ó°ü¾ø½À´Ï´Ù.)

±×´ÙÀ½ procmailÀ» ¼³Ä¡ÇÕ´Ï´Ù. procmailÀº ´ëºÎºÐÀÇ ftp¼­¹ö¿¡¼­ ±¸ÇÒ ¼ö ÀÖ½À´Ï´Ù. (ÀúÀÇ °æ¿ì ftp://ftp.kreonet.re.kr/pub/tools/mail/procmail/¿¡¼­ ±¸Çß½À´Ï´Ù.) ÇÁ·Î±×·¥À» ±¸ÇÑ ÈÄ µð·ºÅ丮¿¡¼­ make¸¦ ÀÔ·ÂÇÑ ÈÄ ¸Þ½ÃÁö¿¡ ³ª¿Â´ë·Î ´ë´äÇÏ¸é ¼³Ä¡ÇÒ ¼ö ÀÖ½À´Ï´Ù. ¸¸µé¾îÁø procmailÀ» ¿ª½Ã /usr/local/bin¿¡ ¼³Ä¡ÇÕ´Ï´Ù.

±×·±´ÙÀ½ /etc/procmailrc¸¦ ¾Æ·¡¿Í °°ÀÌ ¸¸µé¾î µÓ´Ï´Ù.

LOGFILE=/var/log/procmail
VERBOSE=no
PATH=/usr/local/bin:/usr/bin:/bin
SHELL=/bin/sh 

:0 B
*^.\$\)C
{
  :0 fbw
  |hmconv -u

  :0 fhw
  * ^Content-Type: text/plain
  |formail -c -I "Content-Type: text/plain; charset=EUC-KR" -I \
  "Content-Transfer-Encoding: 8bit"

  :0 Efhw
  * ^Content-Type: text/html
  |formail -c -I "Content-Type: text/html; charset=EUC-KR" -I \
  "Content-Transfer-Encoding: 8bit"

  :0 Efhw
  * !^Content-Type:
  |formail  -c -I "Content-Type: text/plain; charset=EUC-KR" -I \
  "Content-Transfer-Encoding: 8bit"

  # Note that '-c' flag has been added to formail invocation.
  # It concatenates a  header of multiple lines into a single line
  # so that a bug in 'hcode -dk -m' dealing with RFC 2047 encoded header
  # has less 'harmful' effect.

  :0 fhw
  | formail -A  \
  "X-Automatic-Korean-Mail-Conversion: iso-2022-kr to euc-kr" 

}

DROPPRIVS=yes

:0 fhw
*Content-Type:.+; charset="?EUC-KR
| formail -c | hcode -dk -m 

:0 Efhw
*^(Subject|From|Cc):.*=\?EUC-KR\?(B|Q)\?
| formail -c | hcode -dk -m

±×´ÙÀ½ sendmail¿¡¼­ MDA·Î procmailÀ» »ç¿ëÇÒ ¼ö ÀÖµµ·Ï sendmail.cfÆÄÀÏÀ» ¼öÁ¤ÇØ Áà¾ß ÇÕ´Ï´Ù. sendmail.cfÆÄÀÏ¿¡¼­ MlocalºÎºÐÀ» ã¾Æ¼­ ¾Æ·¡¿Í °°ÀÌ ¼öÁ¤ÇÏ½Ã¸é µË´Ï´Ù.

Mlocal,         P=/usr/local/bin/procmail, F=lsDFMAw5:/|@qSPfhn9, S=10/30, R=20/40,
                T=DNS/RFC822/X-Unix,
                A=procmail -Y -a $h -d $u

ÇÏÁö¸¸ ÀÌ ¹æ¹ýº¸´Ù´Â mcÆÄÀÏ¿¡ FEATURE(local_procmail)À» Ãß°¡ÇÏ¿© sendmail.cf¸¦ »ý¼ºÇÏ´Â ¹æ¹ýÀÌ ÁÁ½À´Ï´Ù.

Á¦°¡ ¿©±â¿¡¼­´Â °£´ÜÇÏ°Ô ¼³¸íÀ» µå·ÈÁö¸¸ Á»´õ ÀÚ¼¼ÇÑ ³»¿ëÀÌ ÇÊ¿äÇϽŠºÐÀº ½ÅÁ¤½Ä´ÔÀÇ Sendmail 8.8.x ÀÌÈÄ ÆÇ°ú ProcmailÀ» ÀÌ¿ëÇÑ ÇÑ±Û ¸ÞÀÏ Ã³¸®¸¦ Âü°íÇϽñ⠹ٶø´Ï´Ù.

ÀÌ ÀÛ¾÷ÀÌ ±ÍÂú°Ô ´À²¸Áö½Å´Ù¸é À§¿¡¼­ ÇÏ´ÂÀÛ¾÷°ú µ¿ÀÏÇÑ ÀÏÀ» ÇÏ´Â ÇÑ±Û sendmailÀ» ¼³Ä¡ÇÏ½Ã¸é µË´Ï´Ù. ÇÏÁö¸¸ ÇÑ±Û sendmailÀº ¿µ¹® sendmail¿¡ ºñÇØ ¹öÀüµµ ³·°í, ¶Ç´Ù¸¥ ¿À·ù°¡ »ý±æ È®·üÀÌ ³ô±â¶§¹®¿¡ À§ÀÇ ¹æ¹ýÀ» »ç¿ëÇϽñ⠹ٶø´Ï´Ù.

5. sendmail.cf¿¡ °üÇÑ ¾ê±â

sendmailÇÁ·Î±×·¥Àº ±× ÀÚü·Î ¸Å¿ì º¹ÀâÇÑ ÇÁ·Î±×·¥ÀÔ´Ï´Ù. ¶ÇÇÑ ÇÁ·Î±×·¥ÀÇ ¼³Á¤ÆÄÀÏÀÎ sendmail.cfÀÚüµµ º¹ÀâÇϱ⠱×Áö ¾ø½À´Ï´Ù. ^^ ÀÌ ÇÁ·Î±×·¥¿¡ ´ëÇÑ ¾ê±â´Â ¿©±â¿¡¼­ ¼³¸íÇϱâ Èûµå¹Ç·Î (¼ÖÁ÷È÷ ±âÁ¸ÀÇ ±Ûº¸´Ù ´õ Àß ¼³¸íÇÒ Àڽŵµ ¾ø½À´Ï´Ù. ^^) ÀÌ»ó·Î´ÔÀÇ http://trade.chonbuk.ac.kr/~leesl/mail/¸¦ Âü°íÇϽðųª sendmailÀÇ ÀúÀÚ°¡ Á÷Á¢ Àú¼úÇÑ Ã¥(Ã¥ Á¦¸ñÀÌ ±Ý¹æ ¶°¿À¸£Áö ¾Ê³×¿ä. ±×³É sendmailÀÌÁö ½ÍÀºµ¥.. ^^)À» Âü°íÇϽñ⠹ٶø´Ï´Ù.

º¹ÀâÇÑ ¼³Á¤ÀÌ ½È´Ù¸é À§¿¡¼­ ¸¸µé¾ú´ø m4¸¦ ÀÌ¿ëÇؼ­ ¸¸µç sendmail.cf¸¦ ±×´ë·Î ÀÌ¿ëÇϼŵµ µË´Ï´Ù.

6. Third Party Relay

6.1 Third Party Relay¶õ?

Third Party Relay¶õ °£´ÜÇÏ°Ô ¸»Çؼ­ SMTP¼­¹öÀÇ »ç¿ëÀÚ°¡ ¾Æ´Ñ »ç¶÷(º¸Åë ½ºÆÔÀ» »Ñ¸®±â À§ÇÑ ¾ÇÀÇ·Î)ÀÌ SMTP¼­¹ö¸¦ ÀÌ¿ëÇÏ´Â °ÍÀÔ´Ï´Ù. µû¶ó¼­ A ÄÄÇ»ÅÍÀÇ SMTP¼­¹ö¸¦ C ÄÄÇ»ÅÍ¿¡ ÀÖ´Â »ç¿ëÀÚ°¡ B ÄÄÇ»ÅÍ·Î ¸ÞÀÏÀ» º¸³»±â À§ÇØ ÀÌ¿ëÇϴ°æ¿ì¸¦ ¸»ÇÕ´Ï´Ù. Á»´õ ÀÚ¼¼ÇÑ ¼³¸íÀº What is Third-Party Mail Relay?¸¦ Âü°íÇϽñ⠹ٶø´Ï´Ù.

¾ÆÁ÷±îÁö ¸¹Àº ¼­¹öµéÀÌ Third Party Relay¸¦ Çã¿ëÇÏ°í ÀÖÀ¸¸ç, À̶§¹®¿¡ ÀÚ½ÅÀÌ °ü¸®Çϴ ȣ½ºÆ®°¡ ½ºÆÔ »çÀÌÆ®·Î ÀνĵǴ°͵µ ¸ð¸£°í ÀÖ´Â °æ¿ì°¡ Çã´ÙÇÕ´Ï´Ù. ¿ì¼± ÀÚ½ÅÀÌ °ü¸®Çϴ ȣ½ºÆ®ÀÇ SMTP¼­¹ö°¡ Third Party Relay¸¦ Çã¿ëÇÏ´ÂÁö¸¦ üũÇÏ·Á¸é Is My Mailer Vulnerable?¿¡¼­ ÇÏ½Ç ¼ö ÀÖ½À´Ï´Ù. ²À Çغ¸½Ã±â ¹Ù¶ø´Ï´Ù.

6.2 ¼³Á¤¹æ¹ý

sendmail 8.7.x ÀÌÇÏ

Third Party Relay¸¦ ¸·À¸·Á¸é Àû¾îµµ sendmail 8.8.x °¡ µÇ¾î¾ß ÇÕ´Ï´Ù. µû¶ó¼­ ÃÖ½ÅÀÇ sendmail·Î ¾÷±×·¹À̵带 ÇϽñ⠹ٶø´Ï´Ù.

sendmail 8.8.x

sendmail.cf¿¡ ¾Æ·¡¿Í °°Àº Rule setÀ» ³Ö°í sendmail.cRÆÄÀÏ¿¡ relay¸¦ Çã¿ëÇϴ ȣ½ºÆ®ÀÇ FQDNÀ̳ª IP address¸¦ ÀÔ·ÂÇÏ¸é µË´Ï´Ù. ( http://www.sendmail.org/antispam.html¿¡¼­´Â IP address¸¦ ±ÇÇÏ°í ÀÖ½À´Ï´Ù.)

FR-o /etc/sendmail.cR

Scheck_rcpt
# anything terminating locally is ok
R< $+ @ $=w >           $@ OK
R< $+ @ $=R >           $@ OK

# anything originating locally is ok
R$*                     $: $(dequote "" $&{client_name} $)
R$=w                    $@ OK
R$=R                    $@ OK
R$@                     $@ OK

# anything else is bogus
R$*                     $#error $: "550 Relaying Denied"

±×¸®°í /etc/sendmail.cRÀÇ ¼³Á¤Àº ¾Æ·¡¿Í À¯»çÇÏ°Ô ÇÏ½Ã¸é µË´Ï´Ù.

/ $ cat /etc/sendmail.cR
155.230.28.117
155.230.28.118

sendmail 8.9.x

sendmail 8.9.x¿¡¼­´Â ±âº»ÀûÀ¸·Î third party relay¸¦ ±ÝÁöÇÏ°í ÀÖ½À´Ï´Ù. ¸¸ÀÏ third party relay¸¦ Çã¿ëÇÏ·Á¸é promiscuous_relay FEATURE¸¦ mcÆÄÀÏ¿¡ Ãß°¡ÇÏ°í sendmail.cf¸¦ »ý¼ºÇÏ¸é µË´Ï´Ù. (ÇÏÁö¸¸ ÀÌ·¸°Ô ÇÒ »ç¶÷ÀÌ ÀÖ³ª¿ä? ^^)

µû¶ó¼­ sendmail 8.9.x¿¡¼­´Â sendmail.cf¿¡ Ưº°ÇÑ ¼öÁ¤¾øÀÌ relay¿¡ °üÇÑ ÆÄÀϸ¸ ¼öÁ¤ÇÏ¸é µË´Ï´Ù. ¾Æ·¡¿¡¼­´Â »ç¿ëÇÏ°í ÀÖ´Â µµ¸ÞÀÎ À̸§ÀÌ company.co.kr ÀÌ°í, È£½ºÆ® À̸§ÀÌ myhost, ip address°¡ 203.123.45.67 ÀÎ °æ¿ì¶ó°í °¡Á¤ÇÕ´Ï´Ù.

/etc/mail/access : ´©°¡ ÀÌ ¸ÞÀÏ ¼­¹ö¸¦ ¸±·¹ÀÌ ¼­¹ö·Î ÁöÁ¤Çؼ­ »ç¿ëÇÒ ¼ö Àִ°¡, ¾î¶² ÁÖ¼Ò¿¡¼­ ¿À´Â ¸ÞÀÏÀº °ÅÀýÇÒ °ÍÀΰ¡¸¦ ¼³Á¤ÇÏ´Â ÆÄÀÏÀÔ´Ï´Ù.

mail $ cat access
203.123.45      RELAY
209.1.2.3       RELAY
cyberpromo.com  REJECT

ÀÌ·¸°Ô ¼³Á¤ÇÑ °æ¿ì myhost¿Í °°Àº ¼­ºê³Ý¿¡ ÀÖ´Â ÄÄÇ»Å͵é¿Í 209.1.2.3À» »ç¿ëÇÏ´Â ÄÄÇ»ÅÍ¿¡¼­¸¸ myhost.company.co.krÀ» SMTP ¼­¹ö·Î ÁöÁ¤Çؼ­ ¸ÞÀÏÀ» º¸³¾ ¼ö ÀÖ½À´Ï´Ù. ±×¸®°í cyberpromo.com°ú cyperpromo.com µµ¸ÞÀο¡ ¼ÓÇÏ´Â ¸ðµç È£½ºÆ®¿¡¼­ ¿À´Â ¸ÞÀÏÀº °ÅÀýÇÕ´Ï´Ù. ÀÏ´Ü ÀÌ È­ÀÏÀ» ¸¸µå¼Ì´Ù¸é ÀÌÁ¦´Â DB È­ÀÏÀ» ¸¸µå¼Å¾ß ÇÕ´Ï´Ù.

/ $ cd /etc/mail
mail $ makemap hash access < access

±×¸®°í /etc/mail/access È­ÀÏÀ» ¼öÁ¤À» ÇÒ ¶§¸¶´Ù ¹Ýµå½Ã ÀÌ ÀÛ¾÷À» ÇØ ÁÖ¼Å¾ß ÇÕ´Ï´Ù. ÇÏÁö¸¸ ÀÌ ÀÛ¾÷À» ÈÄ¿¡ sendmailÀ» Á×ÀÌ°í ´Ù½Ã ¶ç¿ï ÇÊ¿ä´Â ¾ø½À´Ï´Ù.

±×¸®°í accessÆÄÀÏÀ» »ç¿ëÇÒ °æ¿ì¿¡´Â sendmail.cf¸¦ »ý¼ºÇÒ ¶§ mcÆÄÀÏ¿¡ FEATURE(access_db)¸¦ Ãß°¡ÇØ¾ß ÇÕ´Ï´Ù.

¶ÇÇÑ makemapÀÇ ¹öÀüÀÌ ³·Àº°æ¿ì ÀÛµ¿À» ÇÏÁö ¾Ê´Â °æ¿ì°¡ ÀÖ½À´Ï´Ù. À̶§´Â sendmail ÆÐÅ°Áö¿Í ÇÔ²² µþ·Á³ª¿À´Â makemapÀ» ÄÄÆÄÀÏ ÇÑ ÈÄ ½ÃµµÇØ º¸½Ã±â ¹Ù¶ø´Ï´Ù. makemapµµ sendmail°ú ¸¶Âù°¡Áö·Î -DNEWDB¸¦ ¼±ÅÃÇØ ÁÖ¼Å¾ß ÇÕ´Ï´Ù.

/etc/mail/relay-domains : À§ÀÇ /etc/mail/access¿¡¼­ ÁöÁ¤ÇÑ °÷ ¿Ü¿¡¼­ ¸ÞÀÏ ¼­¹ö·Î ÁöÁ¤ÇÏ´Â °æ¿ì¿¡µµ, relay-domains ¿¡ µî·ÏÇÑ µµ¸ÞÀÎÀÇ È£½ºÆ®¿¡ ´ëÇؼ­´Â Çã¿ëÇÕ´Ï´Ù. relay-domains¿Í accessÆÄÀÏÀÇ Å« Â÷ÀÌÁ¡ÀÇ Çϳª´Â accessÆÄÀÏÀÇ °æ¿ì ¼öÁ¤ÈÄ sendmailÀ» ´Ù½Ã ½ÇÇàÇÒ ÇÊ¿ä°¡ ¾øÁö¸¸ relay-domainsÆÄÀÏÀº ¼öÁ¤ÈÄ sendmailÀ» ´Ù½Ã ½ÇÇàÇØ¾ß ¹Ù²ï ³»¿ëÀ» ÀνÄÇÕ´Ï´Ù. ÆíÇÑ ÆÄÀÏÀ» Çϳª Á¤Çؼ­ »ç¿ëÇÏ½Ã¸é µË´Ï´Ù. ÀúÀÇ °æ¿ì accessÆÄÀÏÀº RELAY-FROM¿¡ ÇØ´çÇϴ ȣ½ºÆ®¿¡ relay-domains´Â RELAY-TO¿¡ ÇØ´çÇϴ ȣ½ºÆ®¸¦ ¼³Á¤ÇÕ´Ï´Ù.

mail $ cat relay-domains
company.co.kr

ÀÌ °æ¿ì company.co.kr µµ¸ÞÀο¡¼­ ¿À´Â ¸ÞÀÏÀº ¸ðµÎ Á߰踦 Çã¿ëÇÕ´Ï´Ù. ¸¸ÀÏ ÀÌ ¸ÞÀÏ ¼­¹ö·Î¸¸ ¿À´Â ¸ÞÀÏÀ» ¹Þ°í ½Í´Ù¸é(´ëºÎºÐÀÇ °æ¿ì°¡ ¿©±â¿¡ ¼ÓÇÕ´Ï´Ù) access È­ÀÏ°ú relay-domains È­ÀÏÀ» 0¹ÙÀÌƮ¥¸® È­ÀÏ·Î ¸¸µé¸é µË´Ï´Ù.

ÀÌ·¸°Ô ¼³Á¤ÇÑ ÈÄ SMTP¼­¹ö°¡ third party relay¸¦ Çã¿ëÇÏ´ÂÁö Å×½ºÆ®ÇØ º¸½Ã±â ¹Ù¶ø´Ï´Ù.

7. ³­ SPAMÀÌ ½È¾î¿ä!

ÀÎÅͳÝÀÌ »ýÈ° ±í¼÷È÷ µé¾î°¡¸é °¥¼ö·Ï ÆíÇØÁö´Â Á¡ÀÌ Àִ°Íó·³ °¡²ûÀº »ç¶÷À» Â¥Áõ³ª°Ô(?) ¸¸µå´Â ÀϵéÀÌ ÀÖ½À´Ï´Ù. ¸ÞÀϵµ ¸¶Âù°¡ÁöÀä. ±×Áß¿¡¼­ »ç¶÷À» ¿­¹Þ°Ô(?) ¸¸µå´Â ´ëÇ¥ÀûÀÎ ¸ÞÀÏÀº ½ºÆÔ¸ÞÀÏÀÔ´Ï´Ù. µû¶ó¼­ ¸ÞÀϼ­¹öÀÇ °ü¸®ÀÚ¶ó¸é ½ºÆиÓ(Spammer, ½ºÆÔ¸ÞÀÏÀ» º¸³»´Â »ç¶÷)°¡ º¸³»´Â ½ºÆÔ¸ÞÀÏÀ» Â÷´ÜÇÒ ¼ö ÀÖ¾î¾ß ÇÕ´Ï´Ù. ¿©±â¿¡¼­´Â ½ºÆÔ¸ÞÀÏÀÌ ¹«¾ùÀÌ°í, ¾î¶»°Ô ¸·À»°ÍÀΰ¡¿¡ °üÇÑ ¾ê±â¸¦ ÇÏ°íÀÚ ÇÕ´Ï´Ù.

7.1 SPAM ¸ÞÀÏÀ̶õ?

°¡´ÉÇÑ »¡¸® Ãß°¡ÇÒ²²¿ä. ÁË¼Û ^^

7.2 SPAM ¸ÞÀÏÀ» ¸·À¸·Á¸é?

¸¸ÀÏ ´ÔÀÌ °ü¸®ÇÏ°í ÀÖ´Â ¸ÞÀϼ­¹öÀÇ »ç¿ëÀÚÇѸíÀÌ info@cyberpromo.com ¿¡¼­ °è¼Ó SPAM¸ÞÀÏÀ» º¸³½´Ù°í Ç×ÀǸ¦ ÇØ ¿Â´Ù¸é /etc/mail/access ¿¡ ¾Æ·¡¿Í °°ÀÌ Ãß°¡ÇÏ°í makemapÀ¸·Î access DB¸¦ Àç »ý¼ºÇϼ¼¿ä.

info@cyberpromo.com REJECT

±Ùµ¥ Á» Áö³ªº¸´Ï info2@cyberpromo.com À¸·Î À̸§À» ¹Ù²Ù¾î¼­ SPAM¸ÞÀÏÀ» °è¼Ó º¸³»´Â±º¿ä. ¿­¹Þ¾Æ¼­ cyberpromo.com ¿¡¼­ ¿À´Â ¸ÞÀÏÀ» ¸ðµÎ °ÅºÎÇÏ°í ½Í´Ù¸é ¾Æ·¡¿Í °°ÀÌ Ãß°¡Çϼ¼¿ä.

cyberpromo.com REJECT

Á» Áö³ª°í »ý°¢À» ÇØ º¸´Ï ±×³É °ÅºÎ¸¸ ÇÏ´Ï±î ³Ê¹« ½Ì°Ì±º¿ä. ¸Þ½ÃÁö¸¦ Çϳª ¶ç¿öÁÖ°í ½Í´Ù¸é ¾Æ·¡¿Í °°ÀÌ accessÆÄÀÏÀ» ¸¸µå¼¼¿ä.

cyberpromo.com 550 Spammers couldn't see sunlight here

ÀÌÁ¦ Á» ½Ã¿øÇϱº¿ä. ^^

8. °¡»ó È£½ºÆ®

´ÙÀ½°ú °°Àº »óȲÀ» °¡Á¤ÇØ º¸ÁÒ. °©Àº ÇöÀç À»°ú º´¿¡°Ô È£½ºÆ®¸¦ ÀÓ´ëÇØ ÁÖ°í ÀÖ½À´Ï´Ù. ÇÑ´ëÀÇ À¯´Ð½º ½Ã½ºÅÛ¿¡ °¢°¢ ul.co.kr°ú byung.co.krÀ̶ó´Â µµ¸ÞÀÎÀ» ÇÒ´çÇؼ­ À¥¼­ºñ½º¿Í ¸ÞÀϼ­ºñ½º¸¦ ÇØ ÁÖ°í ÀÖ½À´Ï´Ù. ÇöÀç À¥¼­ºñ½º´Â apache¼­¹öÀÇ °¡»ó È£½ºÆ®±â´ÉÀ» ÀÌ¿ëÇؼ­ Àß ¼­ºñ½º¸¦ ÇÏ°í ÀÖ¾ú´Âµ¥ °©ÀÚ±â À»°ú º´ÀÌ webmaster¶ó´Â ¸ÞÀÏ°èÁ¤À» ¶È°°ÀÌ ¿ä±¸Çß½À´Ï´Ù. Áï À»Àº webmaster@ul.co.krÀ» º´Àº webmaster@byung.co.krÀ» ¿ä±¸ÇßÁÒ. °©Àº °í¹ÎÀ» ÇÕ´Ï´Ù. ¾î¶»°Ô ÇÒ±î? ¸¸ÀÏ À̱ÛÀ» º¸°í °è½ÅºÐÀÌ °©°ú °°Àº »óȲÀ̶ó¸é ¾î¶»°Ô ÇØ°áÀ» ÇßÀ»±î¿ä?

sendmail¿¡¼­´Â ÀÌ¿Í °°Àº ¹®Á¦¸¦ ÇØ°áÇϱâ À§ÇØ °¡»ó È£½ºÆ®¸¦ Á¦°øÇÕ´Ï´Ù. ÀÚ¼¼ÇÑ ³»¿ëÀº Virtual Hosting with SendmailÀ» Âü°íÇϽñ⠹ٶø´Ï´Ù. ¿©±â¿¡¼­´Â °£´ÜÇÏ°Ô ¼³¸íÀ» µå¸®°Ú½À´Ï´Ù.

À§¿Í °°Àº°æ¿ì ÀÌ¹Ì Name Server¿¡´Â Á¤»óÀûÀ¸·Î ¼³Á¤µÇ¾î ÀÖÀ»°ÍÀ̹ǷΠName Server ¼³Á¤¹æ¹ýÀº »ý·«ÇÏ°Ú½À´Ï´Ù. ¿ì¼± sendmail.cf¸¦ ´Ù½Ã ¸¸µé¾î¾ß ÇÕ´Ï´Ù. ÀÌ¹Ì ¸¸µé¾ú´ø mcÆÄÀÏ¿¡ FEATURE(virtusertable, hash /etc/mail/virtusertable)À» Ãß°¡ÇÏ°í sendmail.cf¸¦ ´Ù½Ã »ý¼ºÇϽñ⠹ٶø´Ï´Ù.(ÀÌ ±Û¿¡¼­´Â sendmailÀÌ »ç¿ëÇÏ´Â DB´Â Berkeley DB¶ó°í °¡Á¤ÇÕ´Ï´Ù.)

ÀÌÁ¦ À»ÀÌ »ç¿ëÇÏ´Â °èÁ¤ÀÎ webulÀ» ¸¸µì´Ï´Ù.(À̸§Àº »ó°üÀÌ ¾ø½À´Ï´Ù. ¿©±â¿¡¼­´Â ÆíÀÇ»ó Á¦°¡ ÀÌ·¸°Ô Áö¾ú½À´Ï´Ù.) ±×¸®°í º´ÀÌ »ç¿ëÇÏ´Â webbyungÀ» ¸¸µì´Ï´Ù. ±×´ÙÀ½ /etc/mail/virtusertable.src ÆÄÀÏÀ» ¾Æ·¡¿Í °°ÀÌ ¸¸µì´Ï´Ù.

webmaster@ul.co.kr    webul
webmaster@byung.co.kr webbyung

±×´ÙÀ½ makemapÀ¸·Î ¾Æ·¡¿Í °°ÀÌ DBÆÄÀÏÀ» ¸¸µé¸é µË´Ï´Ù.

makemap hash /etc/mail/virtusertable < /etc/mail/virtusertable.src

ÀÌ·¸°Ô ÇØ µÎ¸é webmaster@ul.co.krÀ¸·Î ¿À´Â ¸ÞÀÏÀº À»¿¡°Ô webmaster@byung.ac.kr·Î ¿À´Â¸ÞÀÏÀº º´¿¡°Ô °¥ ¼ö ÀÖ½À´Ï´Ù. ¾î¶§¿ä? °£´ÜÇÏÁÒ? virtusertableÀ» ÀÌ¿ëÇϸé À§¿Í °°Àº ´Ü¼øÇÑ ±â´É¿Ü¿¡µµ ´Ù¾çÇÑ ±â´ÉÀ» »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. ÀÚ¼¼ÇÑ ³»¿ëÀº À§¿¡¼­ ¾ð±ÞÇß´ø Virtual Hosting with SendmailÀ» Âü°íÇϽñ⠹ٶø´Ï´Ù.

9. ¹®Á¦ ÇØ°á

»ç¿ëÀÚ¸í¿¡ ´ë¹®ÀÚ°¡ µé¾îÀִ°æ¿ì ¸ÞÀÏÀ» ¹ÞÀ¸·Á¸é?

sendmailÀ» MTA·Î »ç¿ëÇϽô °æ¿ì¿¡ sendmail.cfÀÇ Mlocal·Î ½ÃÀÛÇÏ´Â ºÎºÐ¿¡ º¸½Ã¸é F=À̶ó°í µÈ ºÎºÐÀÌ ÀÖ½À´Ï´Ù. ÀÌ°÷¿¡ u¸¦ Ãß°¡ÇÏ¸é ´ë¹®ÀÚ·Î µÈ °èÁ¤¿¡¼­µµ ¸ÞÀÏÀ» ¹Þ¾Æº¼ ¼ö ÀÖ½À´Ï´Ù. ÇÏÁö¸¸ °èÁ¤¿¡´Â ´ë¹®ÀÚ¸¦ ¾È ¾²½Ã´Â°Ô ÁÁ½À´Ï´Ù. (ƯÈ÷ NIS+¸¦ ¾µ°æ¿ì ¸»½éÀ» ¸¹ÀÌ ºÎ¸³´Ï´Ù.)

.forward°¡ ÀÛµ¿ÇÏÁö ¾Ê½À´Ï´Ù.

Sendmail 8.9.x ºÎÅÍ´Â sendmailÀÌ ÀоîµéÀÌ´Â ÆÄÀÏÀÇ ¸ðµå¸¦ °Ë»çÇÕ´Ï´Ù. ¿¹¸¦µé¾î .forward°¡ ÀÖ´Â µð·ºÅ丮(ÀϹÝÀûÀ¸·Î Ȩ µð·ºÅ丮)ÀÇ ¸ðµå°¡ ±×·ì¿¡°Ô ¾²±â°¡´ÉÇϵµ·Ï ¼³Á¤µÇ¾î ÀÖÀ¸¸é .forwardÆÄÀÏÀÚü¸¦ ÀÐÁö¾Ê½À´Ï´Ù. À̶§¹®¿¡ .forward°¡ ÀÛµ¿ÇÏÁö ¾Ê´Â´Ù°í Åõ´ú´ë´Â »ç¶÷µéÀÌ ¸¹½À´Ï´Ù. Áö±Ý »ç¿ëÇÏ°í °è½Å sendmailÀÌ 8.9.0ÀÌ»óÀ̶ó¸é ÀÚ½ÅÀÇ È¨µð·ºÅ丮¿Í ±× »óÀ§µð·ºÅ丮°¡ ±×·ì¿¡°Ô ¾²±â°¡´ÉÇϵµ·Ï µÇ¾îÀÖ´ÂÁö È®ÀÎÇØ º¸½Ã±â ¹Ù¶ø´Ï´Ù. ÀÚ¼¼ÇÑ ¾ê±â´Â DontBlameSendmail and Enhanced File Security¸¦ Âü°íÇϽñ⠹ٶø´Ï´Ù.

´º½º±×·ì¿¡ ±è°æ¿í´ÔÀÌ ¾Æ·¡¿Í °°Àº ±ÛÀ» ¿Ã·ÁÁּ̽À´Ï´Ù. ¿ª½Ã .forward°¡ ÀÛµ¿ÇÏÁö ¾Ê´Â°æ¿ì¸¦ ¼³¸íÇÏ°í ÀÖ½À´Ï´Ù. Âü°íÇϼ¼¿ä.

sendmail.cf¿¡¼­, .forward¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ºÎºÐÀº µÎ±ºµ¥ÀÔ´Ï´Ù.

# Forward file search path
O ForwardPath=$z/.forward.$w:$z/.forward

$z (/etc/passwd¸¦ lookup Çؼ­ ¾òÀº À¯Àú µð·ºÅ丮ÀÇ path) ¹ØÀÇ
.forward°¡ ForwardPath·Î ÀâÇô ÀÖ½À´Ï´Ù. ÀÌ ¿É¼ÇÀ» disable(#)½ÃÅ°¸é
forwardingÀÌ µÇÁö ¾Ê½À´Ï´Ù.

´ÙÀ½, ¿©±â¼­ $z °ªÀ» ¾ò±â À§Çؼ­ Local delivery agent´Â /etc/passwd¸¦
lookup ÇÕ´Ï´Ù. ±×·¯³ª Mlocal¿¡¼­ F=w flag°¡ ¾øÀ¸¸é MlocalÀº
/etc/passwd ¸¦ lookup ÇÏÁö ¾Ê½À´Ï´Ù.

Mlocal,         P=/usr/local/bin/procmail, F=lsDFMAw5:/|@qSPfhn9,
S=10/30, R=20/ 40,
                T=DNS/RFC822/X-Unix,
                A=procmail -Y -a $h -d $u

À§ µÎ°¡Áö »çÇ×À» È®ÀÎÇØ º¸¼¼¿ä.

--
±è°æ¿í

access°¡ ÀÛµ¿ÇÏÁö ¾Ê½À´Ï´Ù.

ÀÏ´Ü sendmail.cf¸¦ ¸¸µç mc¿¡ FEATURE(access_db, hash -o /etc/mail/access)¸¦ Ãß°¡Çϼ̴ÂÁö °Ë»çÇØ º¸½Ã°í ¸¸ÀÏ ³ÖÁö ¾Ê¾Ò¾ú´Ù¸é Ãß°¡ÇÑ ÈÄ ´Ù½Ã sendmailÀ» »ý¼ºÇØ º¸½Ã±â ¹Ù¶ø´Ï´Ù.

°¡²û makemapÀÇ ¹öÀüÀÌ ³·¾Æ¼­ ¾ÈµÇ´Â °æ¿ì°¡ ÀÖ½À´Ï´Ù. À§¿Í°°ÀÌ Çߴ°æ¿ì¿¡µµ ÀÛµ¿ÇÏÁö ¾Ê´Â´Ù¸é sendmail¿¡ °°ÀÌ µé¾îÀÖ´Â makemapÀ» ÄÄÆÄÀÏÇؼ­ »ç¿ëÇÏ½Ã¸é µË´Ï´Ù. (makemap¿¡¼­µµ »ç¿ëÇÒ DBµîÀ» ¸í½ÃÇÕ´Ï´Ù. sendmailÀÇ ÄÄÆÄÀÏ°ú µ¿ÀÏÇÏ°Ô ÇÏ½Ã¸é µË´Ï´Ù.)

10. Âü°í±Û

1. À̼®Âù´ÔÀÇ Solaris 2.5.1¿ë sendmail 8.9.0 ÆÐÅ°ÁöÀÇ READMEÆÄÀÏ

2. http://www.sendmail.org/compiling.html

3. ÀÌ»ó·Î´ÔÀÇ Sendmail and Hangul Code

4. ÀÌ»ó·Î´ÔÀÇ ÇÁ¶ô¸ÞÀÏ¿¡ °üÇÏ¿©(On procmail)

5. ½ÅÁ¤½Ä´ÔÀÇ Sendmail 8.8.x¿Í ProcmailÀ» ÀÌ¿ëÇÑ ÇÑ±Û ¸ÞÀÏ Ã³¸®


ID
Password
Join
His heart was yours from the first moment that you met.


sponsored by andamiro
sponsored by cdnetworks
sponsored by HP

Valid XHTML 1.0! Valid CSS! powered by MoniWiki
last modified 2003-08-10 11:52:30
Processing time 0.0036 sec