[B! Postfix] n2sã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

n2s id:n2s

Postfixã«é–¢ã™ã‚‹n2sã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (25)

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Postfix + OpenDKIMã§é€ä¿¡å…ƒãƒ‰ãƒ¡ã‚¤ãƒ³èªè¨¼ã‚’å®Ÿè£…ã™ã‚‹ãƒ¡ãƒ¢ - Qiita
å€‹äººçš„ãƒ¡ãƒ¢ã€‚èª¿ã¹ã¦ã‚ã‹ã£ãŸã“ã¨ãŒã‚ã‚Œã°æ›¸ãè¶³ã™ 1. DKIM 1-1. DKIMã¨ã¯ DKIM(Domain Keys Identified Mail) é€ä¿¡å…ƒãƒ‰ãƒ¡ã‚¤ãƒ³ã‚’èªè¨¼ã™ã‚‹ãŸã‚ã®æŠ€è¡“ 1-2. å‡¦ç†ã®æµã‚Œ é€ä¿¡è€…ãŒé€ä¿¡ãƒ¡ãƒ¼ãƒ«ã®ãƒ˜ãƒƒãƒ€+æœ¬æ–‡ã§ãƒãƒƒã‚·ãƒ¥ä½œæˆ ãƒãƒƒã‚·ãƒ¥ + ç§˜å¯†éµã§é›»åç½²åä½œæˆ é›»åç½²åã‚’DKIM-Signatureãƒ˜ãƒƒãƒ€ã¨ã—ã¦æ·»ä»˜ ãƒ¡ãƒ¼ãƒ«é€ä¿¡ å—ä¿¡è€…ãŒå—ä¿¡ãƒ¡ãƒ¼ãƒ«ã®ãƒ˜ãƒƒãƒ€+æœ¬æ–‡ã§ãƒãƒƒã‚·ãƒ¥ä½œæˆ DKIM-Signatureãƒ˜ãƒƒãƒ€ã®é›»åç½²åã‹ã‚‰å…¬é–‹éµã§ãƒãƒƒã‚·ãƒ¥ã‚’å¾©å· å—ä¿¡è€…ãŒä½œæˆã—ãŸãƒãƒƒã‚·ãƒ¥ã¨æ¯”è¼ƒã™ã‚‹ 2. æ¤œè¨¼ç’°å¢ƒ CentOS6.8 Postfix OpenDKIM â€» Postfixã®è¨å®š, BINDã¨ã‹ã®è¨å®šã¯äº‹å‰ã«é©åˆ‡ã«è¡Œã‚ã‚Œã¦ã„ã‚‹ã‚‚ã®ã¨ã™ã‚‹ â€» example.comã¯ä¾‹ãªã®ã§é©å®œèªã¿æ›¿ãˆã‚‹ 3. æ‰‹é † 3-1. OpenDKIMã®å°Žå…¥ æ¨™æº–ã®ãƒ¬ãƒã‚¸ãƒˆãƒªã«ã¯ãªã„ã®
n2s 2023/11/17
Postfix

SPF_DKIM_DMARC
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çœŸé¢ç›®ã«Postfixã®ãƒ•ã‚£ãƒ«ã‚¿ã‚’ã¤ãã£ãŸã‚‰ã€è¿·æƒ‘ãƒ¡ãƒ¼ãƒ«ãŒ1/10ã«ãªã£ãŸ | ã‚ã£ã¡ã“ã£ã¡ã‘ã„ã„ã¡
ã‚µãƒ¼ãƒãƒ¼ãƒ©ã‚¤ãƒ• çœŸé¢ç›®ã«Postfixã®ãƒ•ã‚£ãƒ«ã‚¿ã‚’ã¤ãã£ãŸã‚‰ã€è¿·æƒ‘ãƒ¡ãƒ¼ãƒ«ãŒ1/10ã«ãªã£ãŸ çœŸé¢ç›®ã«Postfixã®ãƒ•ã‚£ãƒ«ã‚¿ã‚’ã¤ãã£ãŸã‚‰ã€è¿·æƒ‘ãƒ¡ãƒ¼ãƒ«ãŒ1/10ã«ãªã£ãŸ ã‚ˆãŸã‹2012.07.17 21:49:03 KDDI CloudCore (ã‚¯ãƒ©ã‚¦ãƒ‰ã‚³ã‚¢) VPSã®è¨å®šã®ãŠã¼ãˆã§ã™ã€‚ Postfixã«ã€Œheader_checksã€ã£ã¦ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ãƒ¼ãŒã‚ã‚‹ã‚“ã ã‘ã©ã€ ã„ã‚ã„ã‚ã¨é¢å€’ã«æ€ãˆãŸã®ã§ä½¿ã£ã¦ã¾ã›ã‚“ã§ã—ãŸã€‚ ã¾ã£ãŸããªã«ã‚‚ã—ãªã„ã£ã¦è¨³ã˜ã‚ƒãªãã¦ã€ä»–ã®ã‚½ãƒ•ãƒˆã§ãƒ•ã‚©ãƒ«ã‚¿ã‚’ã‹ã‘ã¦ãŸã‚“ã§ã™ã€‚ ã§ã‚‚ã€ä»Šå›žã‚µãƒ¼ãƒãƒ¼è¨å®šã—ãŸã¤ã„ã§ã«è©¦ã—ã«ã‚„ã£ã¦ã¿ã‚ˆã†ã¨æ€ã£ã¦è¨å®šã—ã¦ã¿ãŸã‚‰ã€è¿·æƒ‘ãƒ¡ãƒ¼ãƒ«ãŒ1/10ã«ãªã‚Šã¾ã—ãŸã€‚ ã™ã’ãƒ¼ãªè‰²ã€…ã¨â€¦â€¦ã€‚ ä¸€èˆ¬çš„ãªãƒ•ã‚£ãƒ«ã‚¿ã§ã¯ã€èºŠèº‡ã—ã¦è¸ã‚“åˆ‡ã‚Œãªã„ã‚ãƒ¼ãƒ¯ãƒ¼ãƒ‰ã‚’ç™»éŒ²ã§ããŸã®ãŒä¸€ç•ªå¤§ãã„ã¨ãŠã‚‚ã†ã‚“ã ã‘ã©ã€ ãã‚Œä»¥ä¸Šã«ã€ãƒ•ã‚£ãƒ«ã‚¿ã®ç²¾åº¦ã«é©šãã§ã™ã€‚ ã“ã‚“ãªã“ã¨ãªã‚‰ã‚‚ã£ã¨ã¯ã‚„ãã‚„ã£ã¦
n2s 2020/09/05
header_checks / 2012å¹´ã®è¨˜äº‹

Postfix

antispam
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Positfixã§ã®SPAMå¯¾ç–ï¼ˆã‚ãƒ¥ãƒ¼æŠ•å…¥å‰ã‚³ãƒ³ãƒ†ãƒ³ãƒ„ãƒ•ã‚£ãƒ«ã‚¿ï¼‰
n2s 2019/08/05
Postfix

antispam
ãƒªãƒ³ã‚¯
Ubuntu ã§ Postfix ã® SMTP AUTH ã‚’è¨å®šã—ã¦ fail2ban ã§èªè¨¼ã«å¤±æ•—ã—ãŸIPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’ãƒ–ãƒãƒƒã‚¯ã™ã‚‹ - tmtms ã®ãƒ¡ãƒ¢
Ubuntu 18.04 ã® Postfix ã§æ¬¡ã®ã‚ˆã†ã«ã—ã¦ SMTP AUTH ã‚’æœ‰åŠ¹ã«ã—ã¾ã—ãŸã€‚ /etc/postfix/master.cf submission inet n - n - - smtpd -o syslog_name=postfix/submission -o smtpd_sasl_auth_enable=yes -o smtpd_recipient_restrictions= -o smtpd_relay_restrictions=permit_sasl_authenticated,reject /etc/postfix/main.cf smtpd_sasl_local_domain = $myhostname broken_sasl_auth_clients = yes smtpd_sasl_security_options = noanonymous /et
n2s 2019/01/15
Postfix

fail2ban
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ãƒ¡ãƒ¼ãƒ«ã‚µãƒ¼ãƒãƒ¼æ§‹ç¯‰ã«å››è‹¦å…«è‹¦ã—ãŸã®ã§è¨˜éŒ² - Panda Noir
ã‚ã‘ã¾ã—ã¦ãŠã‚ã§ã¨ã†ã”ã–ã„ã¾ã™ã€‚ä»Šå¹´ã‚‚ã‚ˆã‚ã—ããŠé¡˜ã„ã—ã¾ã™ã€‚ åŽ»å¹´ã€ãƒ¡ãƒ¼ãƒ«ã‚µãƒ¼ãƒæ§‹ç¯‰ãƒ»ç‹¬è‡ªãƒ‰ãƒ¡ã‚¤ãƒ³ã®ãƒ¡ãƒ¼ãƒ«ã‚¢ãƒ‰ãƒ¬ã‚¹ä½œæˆ(4/4)ï½žãƒ¡ãƒ¼ãƒ«ã‚µãƒ¼ãƒã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ï½ž - Qiitaã‚’å‚è€ƒã«ãƒ¡ãƒ¼ãƒ«ã‚µãƒ¼ãƒãƒ¼ã®æ§‹ç¯‰ã‚’ã—ãŸã®ã§ã™ãŒã€ã©ã†ã‚‚ã†ã¾ãè¡Œã‹ãªã‹ãã¦è‹¦æˆ¦ã—ã¦ã„ã¾ã—ãŸã€‚æ–°å¹´ã«ãªã£ã¦ã‚ˆã†ã‚„ãè§£æ±ºã§ããŸã®ã§ã€ã“ã“ã«æ§‹ç¯‰æ‰‹é †ã‚’æ›¸ãè¨˜ã—ã¦ãŠãã¾ã™ã€‚ ç’°å¢ƒæ§‹ç¯‰ç·¨ Postfix + Dovecotã«ã¦æ§‹ç¯‰ã‚’è¡Œã„ã¾ã™ã€‚ç’°å¢ƒã¯CentOS 7.6ã§ã™ã€‚ ã“ã“ã§ã‚«ãƒ³ã‚¿ãƒ³ã«2ã¤ã®ç´¹ä»‹ã‚’ã—ã¾ã™ã€‚ Postfix: ãƒ¡ãƒ¼ãƒ«ã®é€å—ä¿¡ã‚’æ‹…ã†ã€‚ã‚³ãƒ¬ä¸€ã¤ã§ãƒ¡ãƒ¼ãƒ«ã‚µãƒ¼ãƒãƒ¼è‡ªä½“ã¯å®Œæˆã™ã‚‹ã€‚ Dovecot: ã‚µãƒ¼ãƒãƒ¼ä¸Šã§å—ä¿¡æ¸ˆã¿ã®ãƒ¡ãƒ¼ãƒ«ã‚’å–å¾—ã™ã‚‹(POP)ãŸã‚ã®ã‚½ãƒ•ãƒˆã€‚ã‚³ãƒ¬ãŒãªã„ã¨ãƒ¡ãƒ¼ãƒ«ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‹ã‚‰æŽ¥ç¶šã—ãŸã‚ŠãŒã§ããªã„ã€‚ è¦ã™ã‚‹ã«ã€ãŸã ãƒ¡ãƒ¼ãƒ«ã‚µãƒ¼ãƒãƒ¼ã¨ã—ã¦ãŠçŸ¥ã‚‰ã›é€ä¿¡ãŒã—ãŸã„å ´åˆã¯ã¶ã£ã¡ã‚ƒã‘Postfixã ã‘ã§äº‹è¶³ã‚Šã¾ã™ã€‚ $
n2s 2019/01/09
Postfix

dovecot
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PostfixDaemon - Ruby ã§ Postfix ã®ãƒ‡ãƒ¼ãƒ¢ãƒ³ã‚’æ›¸ããƒ©ã‚¤ãƒ–ãƒ©ãƒª - tmtms ã®ãƒ¡ãƒ¢
ã“ã®å‰ã€ã¾ã¤ã‚‚ã¨ã‚Šãƒ¼ã•ã‚“ã«è‡ªåˆ†ã§ã‚‚å¿˜ã‚Œã¦ã„ãŸpostfix-mrubyã¨ã„ã†ã®ã‚’ç™ºæŽ˜ã•ã‚Œã¦ã€ Postfix-mrubyæœ€é«˜ï¼â€” æ¾æœ¬ äº®ä»‹ / ã¾ã¤ã‚‚ã¨ã‚Šãƒ¼ (@matsumotory) 2018å¹´2æœˆ22æ—¥ ã“ã‚Œã«ã‚ˆã£ã¦ã€å‰ã«ä½œã‚ã†ã¨æ€ã£ã¦ãã®ã¾ã¾å¿˜ã‚Œã¦ãŸã‚‚ã®ã‚’æ€ã„å‡ºã—ãŸã®ã§ã€ä½œã£ã¦ã¿ã¾ã—ãŸã€‚ github.com ã“ã‚“ãªãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ /usr/lib/postfix/sbin ã«ç½®ã„ã¦ãŠã„ã¦ã€ require 'postfix_daemon' PostfixDaemon.start do |socket, addr| while s = socket.gets socket.puts s.update end end Postfix ã® master.cf ã«ãƒ†ã‚ãƒˆãƒ¼ã«æ›¸ãã¨ã€ãƒãƒ¼ãƒˆã«ã‚¢ã‚¯ã‚»ã‚¹ãŒã‚ã‚‹ã¨ Postfix ã® master(8) ã«èµ·å‹•ã—ã¦ã‚‚ã‚‰ãˆã¾ã™ã€‚ ã¾ã‚ master
n2s 2018/03/06
Postfix

Ruby
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ã‚¨ã‚¤ãƒªã‚¢ã‚¹ã§ãƒ¡ãƒ¼ãƒ«é€ä¿¡ã™ã‚‹ã¨ãã«æ°—ã‚’ã¤ã‘ã‚‹ã“ã¨(ã‚¨ãƒ³ãƒ™ãƒãƒ¼ãƒ—Fromã®æ›¸ãæ›ãˆ) - æœ¬æ—¥ã‚‚ä¹™
ä»¥å‰ã«Postfixã§å—ä¿¡ã—ãŸãƒ¡ãƒ¼ãƒ«ã‚’åˆ¥ãƒ¡ãƒ¼ãƒ«ã«è»¢é€ã™ã‚‹(ã‚¨ã‚¤ãƒªã‚¢ã‚¹)ã§ã‚¨ã‚¤ãƒªã‚¢ã‚¹è¨å®šã—ã¦åˆ¥ãƒ¡ãƒ¼ãƒ«ã«é€ä¿¡ã™ã‚‹ã¨ã„ã†ã“ã¨ã‚’ã—ã¾ã—ãŸã€‚ ã—ã‹ã—ã€ã“ã®æ–¹æ³•ã«ã¯1ã¤å•é¡ŒãŒã‚ã‚Šã¾ã™ã€‚ ä¾‹ãˆã°ã€ä¸‹å›³ã®ã‚ˆã†ã«ãƒ¡ãƒ¼ãƒ«è»¢é€ã‚’è¨å®šã—ãŸå ´åˆã€foo_contact@gmail.comã®ãƒ¡ãƒ¼ãƒ«ãƒ˜ãƒƒãƒ€(ä¸€éƒ¨æŠœç²‹)ã¯ä»¥ä¸‹ã®ã‚ˆã†ã«ãªã‚Šã¾ã™ã€‚ â€» [Postfix]SPFãƒ¬ã‚³ãƒ¼ãƒ‰ã‚’è¨å®šã—ã¦æºå¸¯ã¸ãƒ¡ãƒ¼ãƒ«ã‚’é€ä¿¡ã§ãã‚‹ã‚ˆã†ã«ã™ã‚‹ ã§foo.comã«å¯¾ã—ã¦101.102.103.104ã®IPã‚¢ãƒ‰ãƒ¬ã‚¹ã§SPFã‚’æ—¢ã«è¨å®šã—ã¦ã„ã‚‹ã¨ã—ã¾ã™ã€‚ Delivered-To: foo_contact@gmail.com Received: by 10.220.142.15 with SMTP id o15csp75634vcu; Sun, 7 Sep 2014 23:55:01 -0700 (PDT) X-Received: by 10.68
n2s 2016/10/09
ã‚ã¨ã§èªã‚€

Postfix
ãƒªãƒ³ã‚¯
Postfix 3.1 ã®æ–°æ©Ÿèƒ½ / JSONå½¢å¼ã‚ãƒ¥ãƒ¼è¡¨ç¤ºã¨é…é€æµé‡åˆ¶å¾¡ - tmtms ã®ãƒ¡ãƒ¢
Postfix 3.1 ãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã¾ã—ãŸã€‚ å€‹äººçš„ã«æ°—ã«ãªã£ãŸæ–°æ©Ÿèƒ½ã¯ JSON-format Postfix queue listing. Destination-independent delivery rate delay ã®2ã¤ã§ã™ã€‚ JSONå½¢å¼ã‚ãƒ¥ãƒ¼è¡¨ç¤º ä»Šã¾ã§ã¯ mailq ã‚„ postqueue -p ã‚³ãƒžãƒ³ãƒ‰ã§æ¬¡ã®ã‚ˆã†ãªè¡¨ç¤ºãŒã•ã‚Œã¦ã„ã¾ã—ãŸã€‚ ~% postqueue -p -Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient------- 8A9AE6EF 275 Sun Mar 6 23:47:06 [email protected] (deferred transport) rcpt1@example.net rcpt2@example.net 94AC010A! 298 Sun Mar 6 23
n2s 2016/03/08
Postfix
ãƒªãƒ³ã‚¯
Postfix TLS ã‚µãƒãƒ¼ãƒˆ
TLSã‚µãƒãƒ¼ãƒˆä»˜ãã§Postfixã‚’ãƒ“ãƒ«ãƒ‰ã™ã‚‹ TLSã‚µãƒãƒ¼ãƒˆã‚’ä»˜ã‘ã¦Postfixã‚’ãƒ“ãƒ«ãƒ‰ã™ã‚‹ã«ã¯ã€ã¾ãšå¿…è¦ãªå®šç¾©ã®æ›¸ã‹ã‚ŒãŸ make(1) ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ç”Ÿæˆã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ã“ã‚Œã¯Postfixãƒˆãƒƒãƒ—ãƒ¬ãƒ™ãƒ« ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã§ "make makefiles" ã‚³ãƒžãƒ³ãƒ‰ã«æ¬¡ã«ç¤ºã™çŸã„å¼•æ•°ã‚’ä»˜ã‘ã¦ å‘¼ã³å‡ºã™ã“ã¨ã§ç”Ÿæˆã•ã‚Œã¾ã™ã€‚ æ³¨æ„: Gnu TLSã‚’ä½¿ã‚ãªã„ã§ãã ã•ã„ã€‚Postfixã¯ 1) maillogãƒ•ã‚¡ã‚¤ãƒ«ã« ã‚¨ãƒ©ãƒ¼ã‚’å ±å‘Šã—ã¦ã€2) é©åˆ‡ãªå¹³æ–‡ã‚µãƒ¼ãƒ“ã‚¹ã‚’æä¾›ã§ããšã€Postfixãƒ‡ãƒ¼ãƒ¢ãƒ³ ãƒ—ãƒã‚»ã‚¹ã¯çµ‚äº†ã‚¹ãƒ†ãƒ¼ã‚¿ã‚¹ã‚³ãƒ¼ãƒ‰2ã§çµ‚äº†ã•ã›ã‚‰ã‚Œã¦ã—ã¾ã„ã¾ã™ã€‚ OpenSSL ã‚¤ãƒ³ã‚¯ãƒ«ãƒ¼ãƒ‰ãƒ•ã‚¡ã‚¤ãƒ« (ssl.h ã®ã‚ˆã†ãª) ãŒ /usr/include/openssl ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã«ã‚ã‚Šã€(libssl.so ã‚„ libcrypto.so) ãŒ /usr/lib ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªã«ã‚ã‚‹å ´åˆ: %
n2s 2016/02/18
Postfix

SSL
ãƒªãƒ³ã‚¯
postfixã®é€ä¿¡è¨å®šã§ãƒãƒžã£ãŸ
æ™®æ®µä½¿ã£ã¦ã„ã‚‹postfixã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚ˆã‚Šæ–°ã—ã„2.10.0ã‚’åˆ©ç”¨ã—ãŸã¨ã“ã‚ã€å—ä¿¡ã¯å‡ºæ¥ã‚‹ã®ã«é€ä¿¡ãŒã§ããªã„ãƒ»ãƒ»ãƒ»è¨å®šã¯ä»–ã§å‹•ã„ã¦ã„ã‚‹å†…å®¹ã¨ã»ã¼ä¸€ç·’ã€‚ åŽŸå› ã¨è¨å®šå†…å®¹ã«ã¤ã„ã¦ãƒ¡ãƒ¢ç”¨ã«è¨˜è¼‰ã—ã¾ã™ã€‚ï¼ˆä»Šå¾Œã€åŒã˜ç›®ã«ä¼šã†äººãŒæ¸›ã‚‹ã‚ˆã†ã«ï¼‰ postfixã§ã™ãŒã€æ™®æ®µã¯2.6.x ï½ž 2.9.xã‚’åˆ©ç”¨ã™ã‚‹äº‹ãŒå¤šãã€ã¾ã•ã‹2.10.0ã«ã“ã‚“ãªè½ã¨ã—ç©´ãŒã‚ã‚‹ã¨ã¯æƒ³åƒã‚‚ã—ã¦ã¾ã›ã‚“ã§ã—ãŸã€‚ ã¾ãšã¯ã€ç¨¼åƒä¸ã®2.9.5ã®ã€Œmain.cfã€ã¨ã€Œmaster.cfã€ãªã©ã®è¨å®šã‚’2.10.0ã«è¨å®šã—ãŸçŠ¶æ…‹ã§å‡ºæ¥ã‚‹ã“ã¨ã€å‡ºæ¥ãªã„äº‹ã‚’åˆ†ã‘ã¦è¦‹ã¾ã™ã€‚ å‡ºæ¥ã‚‹ã“ã¨ ãƒ¡ãƒ¼ãƒ«ã®å—ä¿¡ ãƒ¡ãƒ¼ãƒ«ã®é€ä¿¡ï¼ˆã‚µãƒ¼ãƒã‹ã‚‰ï¼‰ å‡ºæ¥ãªã„ã“ã¨ ãƒ¡ãƒ¼ãƒ«ã®é€ä¿¡ï¼ˆåˆ¥PCã‹ã‚‰ï¼‰ ã„ã‚ã„ã‚è¨å®šã‚’å¤‰ãˆãŸã‚Šã€DNSã®è¨å®šã‚’è¦‹ç›´ã—ãŸã‚Šã¨è©¦è¡ŒéŒ¯èª¤ã—ã¾ã—ãŸãŒã€é€ä¿¡ï¼ˆåˆ¥PCã‹ã‚‰ï¼‰ã ã‘ãŒå‡ºæ¥ã¾ã›ã‚“ã€‚ ãƒã‚°ã‚’è¦‹ãªãŒã‚‰ã‚ã‚Œã“ã‚Œè©¦ã—ã¾ã—ãŸãŒã€åŽŸå› ã¨ãªã‚‹éƒ¨åˆ†ã‚’è¦‹ã¤ã‘ã‚‰ã‚Œã¾ã›ã‚“
n2s 2015/06/28
Postfix

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