大量郵件突然寄不進來
server沒做過任何設定改變, 這星期突然收到很多客戶說寄不到給我們公司的同事.而退信都說550 <>, Recipient unknown
但很誇張的是, 我連自己給自己寄信也出現email user account unknown.
請問各位高手這種情況是要怎麼找出原因和解決方法呀?
謝謝. 本文章最後由 sim3 於 2013-2-25 11:59 AM 編輯
補上幾封連續的log
Mon 2013-02-18 19:01:33: Session 3284; child 1; thread 3328
Mon 2013-02-18 19:01:32: Accepting SMTP connection from
Mon 2013-02-18 19:01:32: Performing PTR lookup (4.255.116.203.IN-ADDR.ARPA)
Mon 2013-02-18 19:01:32: *D=4.255.116.203.IN-ADDR.ARPA TTL=(1440) PTR=
Mon 2013-02-18 19:01:32: *Gathering A records...
Mon 2013-02-18 19:01:32: *D=imss1.starhub.net.sg TTL=(10) A=
Mon 2013-02-18 19:01:32: ---- End PTR results
Mon 2013-02-18 19:01:32: --> 220 greenair.org ESMTP MDaemon 9.5.1; Mon, 18 Feb 2013 19:01:32 +0800
Mon 2013-02-18 19:01:32: <-- EHLO imss1.starhub.net.sg
Mon 2013-02-18 19:01:32: Performing IP lookup (imss1.starhub.net.sg)
Mon 2013-02-18 19:01:32: *D=imss1.starhub.net.sg TTL=(10) A=
Mon 2013-02-18 19:01:32: ---- End IP lookup results
Mon 2013-02-18 19:01:32: --> 250-greenair.org Hello imss1.starhub.net.sg, pleased to meet you
Mon 2013-02-18 19:01:32: --> 250-ETRN
Mon 2013-02-18 19:01:32: --> 250-AUTH=LOGIN
Mon 2013-02-18 19:01:32: --> 250-AUTH LOGIN CRAM-MD5
Mon 2013-02-18 19:01:32: --> 250-8BITMIME
Mon 2013-02-18 19:01:32: --> 250 SIZE 0
Mon 2013-02-18 19:01:32: <-- MAIL FROM:<[email protected]> SIZE=75907
Mon 2013-02-18 19:01:32: Performing IP lookup (crownleadership.biz)
Mon 2013-02-18 19:01:32: *D=crownleadership.biz TTL=(60) A=
Mon 2013-02-18 19:01:32: *P=000 S=000 D=crownleadership.biz TTL=(60) MX= {182.50.144.66}
Mon 2013-02-18 19:01:32: *P=010 S=001 D=crownleadership.biz TTL=(60) MX= {182.50.144.66}
Mon 2013-02-18 19:01:32: ---- End IP lookup results
Mon 2013-02-18 19:01:32: Performing SPF lookup (crownleadership.biz / 203.116.255.4)
Mon 2013-02-18 19:01:32: *Result: none; no SPF record in DNS
Mon 2013-02-18 19:01:32: ---- End SPF results
Mon 2013-02-18 19:01:32: --> 250 <[email protected]>, Sender ok
Mon 2013-02-18 19:01:32: <-- RCPT TO:<[email protected]>
Mon 2013-02-18 19:01:32: Performing DNS-BL lookup (203.116.255.4 - connecting IP)
Mon 2013-02-18 19:01:32: *sbl-xbl.spamhaus.org - passed
Mon 2013-02-18 19:01:33: *relays.ordb.org - passed
Mon 2013-02-18 19:01:33: *bl.spamcop.net - failed
Mon 2013-02-18 19:01:33: *[email protected] - failed
Mon 2013-02-18 19:01:33: ---- End DNS-BL results
Mon 2013-02-18 19:01:33: 'Recipient unknown' given and connection dropped to divert future spam
Mon 2013-02-18 19:01:33: --> 550 <[email protected]>, Recipient unknown
Mon 2013-02-18 19:01:33: SMTP session terminated (Bytes in/out: 116/312)
Mon 2013-02-18 19:01:33: ----------
Mon 2013-02-18 19:06:53: Session 3297; child 1; thread 1384
Mon 2013-02-18 19:06:53: Accepting SMTP connection from
Mon 2013-02-18 19:06:53: Performing PTR lookup (182.218.126.202.IN-ADDR.ARPA)
Mon 2013-02-18 19:06:53: *Error: Name server reports domain name unknown
Mon 2013-02-18 19:06:53: *No PTR records found
Mon 2013-02-18 19:06:53: ---- End PTR results
Mon 2013-02-18 19:06:53: --> 220 greenair.org ESMTP MDaemon 9.5.1; Mon, 18 Feb 2013 19:06:53 +0800
Mon 2013-02-18 19:06:53: <-- EHLO smtp3.enews-tradelink.com.hk
Mon 2013-02-18 19:06:53: Performing IP lookup (smtp3.enews-tradelink.com.hk)
Mon 2013-02-18 19:06:53: *D=smtp3.enews-tradelink.com.hk TTL=(7) A=
Mon 2013-02-18 19:06:53: ---- End IP lookup results
Mon 2013-02-18 19:06:53: --> 250-greenair.org Hello smtp3.enews-tradelink.com.hk, pleased to meet you
Mon 2013-02-18 19:06:53: --> 250-ETRN
Mon 2013-02-18 19:06:53: --> 250-AUTH=LOGIN
Mon 2013-02-18 19:06:53: --> 250-AUTH LOGIN CRAM-MD5
Mon 2013-02-18 19:06:53: --> 250-8BITMIME
Mon 2013-02-18 19:06:53: --> 250 SIZE 0
Mon 2013-02-18 19:06:53: <-- MAIL From:<[email protected]> SIZE=22576
Mon 2013-02-18 19:06:53: Performing IP lookup (enews-tradelink.com.hk)
Mon 2013-02-18 19:06:53: *D=enews-tradelink.com.hk TTL=(60) A=
Mon 2013-02-18 19:06:53: *P=010 S=000 D=enews-tradelink.com.hk TTL=(60) MX= {210.184.46.196}
Mon 2013-02-18 19:06:53: *P=020 S=001 D=enews-tradelink.com.hk TTL=(60) MX=
Mon 2013-02-18 19:06:53: *P=030 S=002 D=enews-tradelink.com.hk TTL=(60) MX=
Mon 2013-02-18 19:06:53: *P=040 S=003 D=enews-tradelink.com.hk TTL=(60) MX=
Mon 2013-02-18 19:06:53: *D=enews-tradelink.com.hk TTL=(3) A=
Mon 2013-02-18 19:06:53: *D=enews-tradelink.com.hk TTL=(4) A=
Mon 2013-02-18 19:06:53: *D=enews-tradelink.com.hk TTL=(4) A=
Mon 2013-02-18 19:06:53: ---- End IP lookup results
Mon 2013-02-18 19:06:53: Performing SPF lookup (enews-tradelink.com.hk / 202.126.218.182)
Mon 2013-02-18 19:06:53: *Result: none; no SPF record in DNS
Mon 2013-02-18 19:06:53: ---- End SPF results
Mon 2013-02-18 19:06:53: --> 250 <[email protected]>, Sender ok
Mon 2013-02-18 19:06:53: <-- RCPT To:<[email protected]>
Mon 2013-02-18 19:06:53: Performing DNS-BL lookup (202.126.218.182 - connecting IP)
Mon 2013-02-18 19:06:53: *sbl-xbl.spamhaus.org - passed
Mon 2013-02-18 19:06:53: *relays.ordb.org - passed
Mon 2013-02-18 19:06:53: *bl.spamcop.net - failed
Mon 2013-02-18 19:06:53: *[email protected] - passed
Mon 2013-02-18 19:06:53: ---- End DNS-BL results
Mon 2013-02-18 19:06:53: 'Recipient unknown' given and connection dropped to divert future spam
Mon 2013-02-18 19:06:53: --> 550 <[email protected]>, Recipient unknown
Mon 2013-02-18 19:06:53: SMTP session terminated (Bytes in/out: 127/323)
Mon 2013-02-18 19:06:53: ----------
Mon 2013-02-18 19:10:27: Session 3302; child 1; thread 3320
Mon 2013-02-18 19:10:25: Accepting SMTP connection from
Mon 2013-02-18 19:10:25: Performing PTR lookup (170.2.128.120.IN-ADDR.ARPA)
Mon 2013-02-18 19:10:25: *Error: Name server reports domain name unknown
Mon 2013-02-18 19:10:25: *No PTR records found
Mon 2013-02-18 19:10:25: ---- End PTR results
Mon 2013-02-18 19:10:25: --> 220 greenair.org ESMTP MDaemon 9.5.1; Mon, 18 Feb 2013 19:10:25 +0800
Mon 2013-02-18 19:10:26: <-- HELO dk
Mon 2013-02-18 19:10:26: Performing IP lookup (dk)
Mon 2013-02-18 19:10:26: *D=dk TTL=(1440) A=
Mon 2013-02-18 19:10:26: ---- End IP lookup results
Mon 2013-02-18 19:10:26: --> 250 greenair.org Hello dk (may be forged), pleased to meet you
Mon 2013-02-18 19:10:26: <-- RSET
Mon 2013-02-18 19:10:26: --> 250 RSET? Well, ok.
Mon 2013-02-18 19:10:26: <-- MAIL FROM:<[email protected]>
Mon 2013-02-18 19:10:26: Performing IP lookup (701.com)
Mon 2013-02-18 19:10:26: *D=701.com TTL=(180) A=
Mon 2013-02-18 19:10:26: *P=010 S=000 D=701.com TTL=(180) MX=
Mon 2013-02-18 19:10:26: *P=020 S=001 D=701.com TTL=(180) MX=
Mon 2013-02-18 19:10:26: *D=701.com TTL=(180) A=
Mon 2013-02-18 19:10:26: *D=701.com TTL=(180) A=
Mon 2013-02-18 19:10:26: ---- End IP lookup results
Mon 2013-02-18 19:10:26: Performing SPF lookup (701.com / 120.128.2.170)
Mon 2013-02-18 19:10:26: *Result: none; no SPF record in DNS
Mon 2013-02-18 19:10:26: ---- End SPF results
Mon 2013-02-18 19:10:26: --> 250 <[email protected]>, Sender ok
Mon 2013-02-18 19:10:27: <-- RCPT TO:<[email protected]>
Mon 2013-02-18 19:10:27: Performing DNS-BL lookup (120.128.2.170 - connecting IP)
Mon 2013-02-18 19:10:27: *sbl-xbl.spamhaus.org - failed
Mon 2013-02-18 19:10:27: *relays.ordb.org - failed
Mon 2013-02-18 19:10:27: *bl.spamcop.net - failed
Mon 2013-02-18 19:10:27: *[email protected] - passed
Mon 2013-02-18 19:10:27: ---- End DNS-BL results
Mon 2013-02-18 19:10:27: 'Recipient unknown' given and connection dropped to divert future spam
Mon 2013-02-18 19:10:27: --> 550 <[email protected]>, Recipient unknown
Mon 2013-02-18 19:10:27: SMTP session terminated (Bytes in/out: 75/236)
Mon 2013-02-18 19:10:27: ---------- 這3封裡的收信人都是確定有這些帳號的...但在log裡就指找不到這些收信人..已經幾天都出現這個情況了...有人幫幫我嗎?:'( Mon 2013-02-18 19:01:33: *bl.spamcop.net - failed
Mon 2013-02-18 19:01:33: *[email protected] - failed看看上面這段，對方都被 DNS-BL 黑名單封鎖了。
解決方法：1. 將對方加入信任網域 2. 關閉 DNS-BL 檢查
謝謝版大....那只好關了DNS-BL了...因為對象有太多不同的人
頁:
[1]