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>-----------------------------------------
>´äº¯ÀÚ°¡ ±âº»ÀûÀ¸·Î Âü°íÇÒ ³»¿ëÀÔ´Ï´Ù.
>- ¹èÆ÷ÆÇ(¿É¼Ç) :
>- Ä¿³Î¹öÀü(¿É¼Ç) :
>- µ¥¸ó¹öÀü(¿¹:apache 1.3.27) :
>- µ¥¸ó¼³Ä¡À¯Çü(RPM/ÄÄÆÄÀÏ/±âŸ)
:
>-----------------------------------------
>½ÅÁ¤ºÎÅÍ ¶Ç Á¶¾ðÀ» ±¸ÇÏ°íÀÚ ÀÌ·¸°Ô ã¾Æ¿Ô½À´Ï´Ù.
>´Ù¸§ÀÌ ¾Æ´Ï¶ó ¿äÁò ¸ÞÀϼ¹ö°¡ Áö¿¬ÀÌ µÇ°í ÀÖ½À´Ï´Ù.
>·Î±×¸¦ º¸¸é delay·Î±×½Ã°£ÀÌ
>mail¼¹ö´Â postfixÀÔ´Ï´Ù.
>`-----------------------------
>Jan 4 17:09:33 postfix/smtp[19083]: 4345C168869: to=<BXB00271@nif.com>,
relay=mx.nif.com[202.248.38.10], delay=1524, status=deferred (host
mx.nif.com[202.48.38.10] said: 451 4.1.8 Sender domain must be resolved (in replyto
MAIL FROM command))
>--------------------------------------
>À§¿¡ ó·³ delay=1524 ÀÌ·± ¾¿À¸·Î °ÅÀÇ 20ºÐÀÌ»ó ´À¸®°Ô µµÂøÇÏ´Â ³ðµµ
ÀÖ½À´Ï´Ù.
>Çϳª µÑÀ̸é ÀÌÇØ°¡ °¡´Âµ¥ ¾öû ¸¹½À´Ï´Ù. ´Ùµé ´Ê´Ù°í ³¸® ÀÔ´Ï´Ù.º¸Åë10ºÐÁ¤µµÀä
(¸ÞÀϼ¹ö Áö ±âºÐÁÁÀº³¯Àº Á» »¡¸® ó¸®ÇÕ´Ï´Ù.¤»¤»¤»(
>
>±×·±µ¥ ¿ÜºÎ¿¡¼ ¼ö½Å ÇÏ´Â ¸ÞÀÏÀº delay°¡ ¹ß»ýÇÏÁö ¾Ê´Âµ¥ ¼Û½ÅÇÏ´Â ³ð¸¸ ÀÌ·¸°Ô
³ª¿À³×¿ä..
>
>¾Æ·¡¿Í °°ÀÌ mailqueue¸¦ º¸¸é
># /usr/sbin/postqueue -p | grep Jan | wc -l //2006³âÀüü ¸ÞÀÏÅ¥
> 1402
># /usr/sbin/postqueue -p | grep MAILER-DAEMON | wc -l //¿¡·¯¸ÞÀÏ Å¥
> 1385
>
>°ÅÀÇ º¸¸é ÀüºÎ ¿¡·¯¸ÞÀÏÀ̶óµçÁö ¹Ý¼Û¸ÞÀÏÀ̶óµçÁö 󸮸¦ ¸øÇÏ´Â ¸ÞÀϵéÀÌ
>¸ÞÀÏÅ¥¿¡ ÀüºÎ¸¦ Â÷ÁöÇÏ°í ÀÖ½À´Ï´Ù.
>¿¡·¯¸ÞÀÏÅ¥¸¦ »èÁ¦¸¦ Çϸé 󸮼ӵµ´Â »¡¶óÁö°í ÀÖ½À´Ï´Ù.
>
>ÇöÀç pstree·Î º¸¸é smtpµ¥¸óÀÌ 89°³³ª ¿½ÉÈ÷ 󸮸¦ Çϴ°ÍÀ»
º¼¼öÀÖ½À´Ï´Ù.
>|-master-+-6*[bounce]
> | |-6*[cleanup]
> | |-2*[flush]
> | |-6*[lmtp]
> | |-6*[local]
> | |-pickup
> | |-qmgr
> | |-89*[smtp]
> | |-6*[smtpd]
> | `-2*[trivial-rewrite]
> |-master-+-6*[imapd]
> | |-36*[lmtpd]
> | `-6*[pop3d]
>
>
>--- ¿ä¾àÀ» Çϸé .---- ^^
>1. mailqueue°¡ À§Ã³·³ 1400Á¤µµ »ÓÀε¥µµ ¸ÞÀÏdelay°¡ ³ª°í Àִµ¥
> º¸Åë ÀúÁ¤µµÀÇ queue¿¡¼µµ delay°¡ ¹ß»ýÇÏ´ÂÁö¿ä(¹°·Ð ¼¹ö»ç¾ç¿¡
µû¶ó¼
> Ʋ¸®°ÚÁö¸¸, ±×·¡µµ ¼¹ö±ÞÀ¸·Î »ç¿ëÇϴµ¥(ÁÁÀº³ðÀÔ´Ï´Ù)
>
>
>2. Çϳª¸¸ ´õ ¿©ÂÞ¾î º¸¸é ÀÌ·± ¸ÞÀÏ Áö¿¬Çö»óÀ» ¸·´Â ÁÁÀº ¹æ¹ýÀ» °¡¸£ÃÄÁÖ¼¼¿ä.
(Á¤±âÀûÀ¸·Î ¾²·¹±â ¸ÞÀÏÅ¥»èÁ¦, ¸ÞÀÏťó¸®½Ã°£Á¶Àý)
> ÀÌ¿Ü¿¡ ÁÁÀº ¹æ¹ýÀ»....
>
> Áö±Ý ¼¹ö¸¦ º¸¸é °ÅÀÇ cpu¶óµçÁö load,¸Þ¸ð¸®¿Í ¾ÆÁÖ ³î°í ÀÖ½À´Ï´Ù.
> ÀÌ°æ¿ì smtpµ¥¸ó¼øÀ§µîÀ» ³ô¿©¼ ¿ì¼±ÀûÀ¸·Î ó¸®ÇÑ´Ù¸é ÁÁ¾ÆÁú±î¿ä?
> (»óȲ¿¡ ¸ÂÁö ¾ÊÀº Áú¹®ÀÎÁö¿ä..)
>`--------------------------------------------------------------
> 17:30:04 up 323 days, 15:12, 1 user, load average: 0.25, 0.38,
0.37
>257 processes: 256 sleeping, 1 running, 0 zombie, 0 stopped
>CPU states: cpu user nice system irq softirq iowait
idle
> total 0.9% 0.0% 1.5% 0.0% 0.4% 9.0%
87.9%
> cpu00 0.5% 0.0% 0.3% 0.0% 0.7% 0.1%
98.0%
> cpu01 0.9% 0.0% 2.5% 0.0% 0.9% 17.7%
77.6%
> cpu02 0.5% 0.0% 1.3% 0.0% 0.1% 0.1%
97.6%
> cpu03 1.5% 0.0% 1.7% 0.0% 0.0% 17.9%
78.6%
>-------------------------------------------------------------------
>
>
>3. Á¦°¡ ½ÃÇèÇغ¸´Ï postfix´Â smtp´Â ÇÑ°è°¡100°³±îÁö Àε¥
> À̳ðÀÇ µ¥¸ó¼ö¸¦ ´Ã·ÁÁÖ¸é Á» »¡¶óÁú±î¿ä.(¾²·¹±â¸ÞÀÏÅ¥¸¸
´õ ó¸®ÇÏ´Â
> ¿ªÇÒ¸¸ Çϴ°ÍÀº ¾Æ´ÑÁö)
>
>¾î¶²¹æ½ÄÀ¸·Î ¸ÞÀϼ¹ö¸¦ Æ©´×Çϴ°ÍÀÌ ÁÁÀ»±î¿ä.
>
>±×³É ÇѸ¶µð Áֽʽÿä.. »êÀÌ´Ô...
========================================
ÇöÀç ¸ÞÀϼ¹ö°¡ mx.nif.com[202.48.38.10] °¡ ¸Â³ª¿ä?
...
Sender domain must be resolved (in replyto MAIL FROM command))
ÀÌ Àǹ̴Â, ÇöÀç ¸ÞÀϼ¹ö¿¡ ´ëÇÑ DNS MX ·¹Äڵ尡 ÀÖ¾î¾ß ÇÕ´Ï´Ù.
Áï
shell> dig -t MX nif.com
...
;; ANSWER SECTION:
nif.com. 3600 IN MX 0 dev.null.
ÀÌ·± °á°ú°¡ ³ª¿É´Ï´Ù.
¶ÇÇÑ
mail.nif.com. 3600 IN CNAME nif.com.
nif.com. 3600 IN A 65.61.146.199
...
DNS ¼³Á¤ÀÌ ¸ðµÎ ¾ÆÁÖ À߸øµÇ¾ú½À´Ï´Ù.
$ORIGIN nif.com.
...
@ IN A ¾ÆÀÌÇÇÁÖ¼Ò
IN MX 0 mail.nif.com.
...
mail IN A ¸ÞÀϼ¹öIPÁÖ¼Ò
ÀÌ·¸°Ô ¹Ýµå½Ã MX ¿¡ ´ëÇÑ ·¹ÄÚµå¿Í ±×¿¡ ´ëÇÑ ¸ÞÀÏÈ£½ºÆ®ÀÇ ·¹Äڵ尡
A ·¹ÄÚµå·Î ¼³Á¤µÇ¾î¾ß ÇÕ´Ï´Ù.
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