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Old 10-16-2008, 03:21 AM   #1
bittus
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Unhappy outgoing mail server : timeout error


Hi,

I am using postfix on Fedora8 (My redhat-release file reads Fedora release 8 (Werewolf)). I am also using spamassassin, clamd and amavis along with postfix to control spam and viruses.

Now when I try to send mail thru this server, it gives me timeout error very often. The maillog keeps logging of the spam attempts thru this server. At any point of time, the command:
Quote:
ps -ef | grep smtp | wc -l
gives me + or - 100.

From this it is clear that my smtp port is flooded with requests. Maillog reports atleast one entry in every second, out of which most of them are rejected.

Quote:
netstat -nap | awk '{print $5}' | cut -d : -f 1 | grep -v "STREAM\|DGRAM\|]\|(\|State\|and\|Add\|0.0.0.0\| " | wc -l
(A script which shows ip addresses of all the smtp connections combined with a line count) gives me + or - 400 most of the time. Mostly, some 400 smtp connections are maintained by my server. (I am using "wc" just to make u understand how many requests are being recieved. In fact I cannot give all the entries here of the above command here.

Can anyone suggest a solution on this ? I will provide you the configuration if needed.

Thanks,
bittus

Last edited by bittus; 10-16-2008 at 07:53 AM.
 
Old 10-16-2008, 03:52 AM   #2
billymayday
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What's in your maillog?
 
Old 10-16-2008, 04:16 AM   #3
bittus
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Maillog is not recording anything, as it does not even connect to the server. So how can maillog record it ?
 
Old 10-16-2008, 05:00 AM   #4
Mr. C.
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If the timeout is being reported by your MTA and postfix is not logging any connection attempts, this would indicate your server is currently under stress conditions and is not able to accept additional connections. The likely condition is that either a) you are currently under a spam attack, and/or b) are accepting messages for unlisted recipients and your mail queue is filled with backscatter messages What is the partial output of the mailq command?

See also: http://www.postfix.org/STRESS_README.html
 
Old 10-16-2008, 05:20 AM   #5
bittus
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I am sure that the server is under an attack. But can you please help me resolve this problem.

As per the reference that you gave me - http://www.postfix.org/STRESS_README.html#hangup, will Disconnect suspicious SMTP clients do any help ?

I mean giving the entry
Quote:
reject_rbl_client zen.spamhaus.org
?

The maillog says that it is rejecting atleast a spam per second.

Last edited by bittus; 10-16-2008 at 05:23 AM.
 
Old 10-16-2008, 05:52 AM   #6
Mr. C.
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No help can be provided, nor resolutions attempted, until you provide solid evidence as to what is going on. I asked for partial output of the mailq command - where is that? I asked if the mailq was filled with bounce attempts - that was not answered. Billymayday asked for log entires - where are those?

We need real data.

Last edited by Mr. C.; 10-16-2008 at 05:54 AM.
 
Old 10-16-2008, 06:12 AM   #7
bittus
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I apologize for not providing the required information.


Here are the requested info :
Quote:

# tail -50 /var/log/maillog
Oct 16 03:07:06 xxxxxxxx postfix/smtpd[11008]: disconnect from unknown[66.160.199.10]
Oct 16 03:07:06 xxxxxxxx postfix/smtpd[11008]: connect from mail.josef-seibel.com[209.180.160.100]
Oct 16 03:07:06 xxxxxxxx postfix/smtpd[11008]: NOQUEUE: reject: RCPT from mail.josef-seibel.com[209.180.160.100]: 450 4.1.1 <DustinspinCunningham@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<DustinspinCunningham@xxxxxxxx.com> proto=SMTP helo=<JS2003.JSNA.local>
Oct 16 03:07:06 xxxxxxxx postfix/smtpd[11008]: disconnect from mail.josef-seibel.com[209.180.160.100]
Oct 16 03:07:06 xxxxxxxx postfix/smtpd[11257]: NOQUEUE: reject: RCPT from mail.students.wlc.ac.uk[194.82.122.74]: 450 4.1.1 <RoosevelttientsinFlowers@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<RoosevelttientsinFlowers@xxxxxxxx.com> proto=SMTP helo=<stumail8.students.hwlc.ac.uk>
Oct 16 03:07:06 xxxxxxxx postfix/smtpd[11116]: NOQUEUE: reject: RCPT from mail.penguin.dk[89.233.12.198]: 450 4.1.1 <GeorginafritzOtto@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<GeorginafritzOtto@xxxxxxxx.com> proto=SMTP helo=<seuthes.corp.penguin.dk>
Oct 16 03:07:06 xxxxxxxx postfix/smtpd[11214]: NOQUEUE: reject: RCPT from 107-10.dsl.connexus.net.au[203.222.107.10]: 450 4.1.1 <SylvestermissionaryRios@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<SylvestermissionaryRios@xxxxxxxx.com> proto=SMTP helo=<syd01file01.quatram.local>
Oct 16 03:07:06 xxxxxxxx postfix/smtpd[11008]: connect from paula.tw620.com[210.58.101.153]
Oct 16 03:07:06 xxxxxxxx postfix/smtpd[11257]: disconnect from mail.students.wlc.ac.uk[194.82.122.74]
Oct 16 03:07:06 xxxxxxxx postfix/smtpd[11257]: connect from ms2.hinet.net[168.95.4.20]
Oct 16 03:07:07 xxxxxxxx postfix/smtpd[11214]: disconnect from 107-10.dsl.connexus.net.au[203.222.107.10]
Oct 16 03:07:07 xxxxxxxx postfix/smtpd[11214]: connect from webmail.diblasi.com.br[201.76.172.234]
Oct 16 03:07:07 xxxxxxxx postfix/smtpd[11116]: NOQUEUE: reject: RCPT from mail.penguin.dk[89.233.12.198]: 450 4.1.1 <MeaganlittletonChristie@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<MeaganlittletonChristie@xxxxxxxx.com> proto=SMTP helo=<seuthes.corp.penguin.dk>
Oct 16 03:07:07 xxxxxxxx postfix/smtpd[11257]: NOQUEUE: reject: RCPT from ms2.hinet.net[168.95.4.20]: 450 4.1.1 <ghostlike@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<ghostlike@xxxxxxxx.com> proto=SMTP helo=<ms2.hinet.net>
Oct 16 03:07:07 xxxxxxxx postfix/smtpd[11116]: disconnect from mail.penguin.dk[89.233.12.198]
Oct 16 03:07:07 xxxxxxxx postfix/smtpd[11008]: NOQUEUE: reject: RCPT from paula.tw620.com[210.58.101.153]: 450 4.1.1 <BernadineprefaceYu@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<BernadineprefaceYu@xxxxxxxx.com> proto=SMTP helo=<paula.tw620.com>
Oct 16 03:07:07 xxxxxxxx postfix/smtpd[11116]: connect from mail.colemanmassey.com[24.248.41.214]
Oct 16 03:07:07 xxxxxxxx postfix/smtpd[11194]: NOQUEUE: reject: RCPT from mail.delta.pt[195.22.29.202]: 450 4.1.1 <AudrascytheAnaya@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<AudrascytheAnaya@xxxxxxxx.com> proto=SMTP helo=<mail.delta.pt>
Oct 16 03:07:08 xxxxxxxx postfix/smtpd[11214]: NOQUEUE: reject: RCPT from webmail.diblasi.com.br[201.76.172.234]: 450 4.1.1 <JerisomaliDugan@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<JerisomaliDugan@xxxxxxxx.com> proto=SMTP helo=<mail.diblasi.com.br>
Oct 16 03:07:08 xxxxxxxx postfix/smtpd[11116]: NOQUEUE: reject: RCPT from mail.colemanmassey.com[24.248.41.214]: 450 4.1.1 <rstriven@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<rstriven@xxxxxxxx.com> proto=SMTP helo=<mail.colemanmassey.com>
Oct 16 03:07:08 xxxxxxxx postfix/smtpd[11116]: disconnect from mail.colemanmassey.com[24.248.41.214]
Oct 16 03:07:08 xxxxxxxx postfix/smtpd[11116]: connect from misc101.store.mud.yahoo.com[209.191.66.52]
Oct 16 03:07:08 xxxxxxxx postfix/smtpd[11116]: NOQUEUE: reject: RCPT from misc101.store.mud.yahoo.com[209.191.66.52]: 450 4.1.1 <TommydemocraticWatkins@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<TommydemocraticWatkins@xxxxxxxx.com> proto=SMTP helo=<misc101.store.mud.yahoo.com>
Oct 16 03:07:08 xxxxxxxx postfix/smtpd[11116]: disconnect from misc101.store.mud.yahoo.com[209.191.66.52]
Oct 16 03:07:08 xxxxxxxx postfix/smtpd[11116]: connect from ns.muratasystem.or.jp[211.128.66.14]
Oct 16 03:07:08 xxxxxxxx postfix/smtpd[11214]: NOQUEUE: reject: RCPT from webmail.diblasi.com.br[201.76.172.234]: 450 4.1.1 <MeaganapplicableClinton@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<MeaganapplicableClinton@xxxxxxxx.com> proto=SMTP helo=<mail.diblasi.com.br>
Oct 16 03:07:08 xxxxxxxx postfix/smtpd[11214]: disconnect from webmail.diblasi.com.br[201.76.172.234]
Oct 16 03:07:09 xxxxxxxx postfix/smtpd[11214]: connect from mailhost1.emsl.com[151.204.179.162]
Oct 16 03:07:09 xxxxxxxx postfix/smtpd[11116]: NOQUEUE: reject: RCPT from ns.muratasystem.or.jp[211.128.66.14]: 450 4.1.1 <OfeliadivinationWolff@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<OfeliadivinationWolff@xxxxxxxx.com> proto=SMTP helo=<sol.muratasystem.or.jp>
Oct 16 03:07:09 xxxxxxxx postfix/smtpd[11257]: disconnect from ms2.hinet.net[168.95.4.20]
Oct 16 03:07:09 xxxxxxxx postfix/smtpd[11257]: connect from 216-199-36-54.tpa.fdn.com[216.199.36.54]
Oct 16 03:07:09 xxxxxxxx postfix/smtpd[11214]: NOQUEUE: reject: RCPT from mailhost1.emsl.com[151.204.179.162]: 450 4.1.1 <Tponderous@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<Tponderous@xxxxxxxx.com> proto=SMTP helo=<mailhost1.emsl.com>
Oct 16 03:07:09 xxxxxxxx postfix/smtpd[11214]: disconnect from mailhost1.emsl.com[151.204.179.162]
Oct 16 03:07:09 xxxxxxxx postfix/smtpd[11214]: connect from host209-193-static.58-88-b.business.telecomitalia.it[88.58.193.209]
Oct 16 03:07:09 xxxxxxxx postfix/smtpd[11116]: disconnect from ns.muratasystem.or.jp[211.128.66.14]
Oct 16 03:07:09 xxxxxxxx postfix/smtpd[11116]: connect from smtp2.vianetworks.de[212.168.16.99]
Oct 16 03:07:09 xxxxxxxx postfix/smtpd[11257]: NOQUEUE: reject: RCPT from 216-199-36-54.tpa.fdn.com[216.199.36.54]: 450 4.1.1 <SimonescudEddy@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<SimonescudEddy@xxxxxxxx.com> proto=SMTP helo=<mail.etotb.com>
Oct 16 03:07:10 xxxxxxxx postfix/smtpd[11257]: disconnect from 216-199-36-54.tpa.fdn.com[216.199.36.54]
Oct 16 03:07:10 xxxxxxxx postfix/smtpd[11257]: connect from ns2.uni-svishtov.bg[195.20.24.1]
Oct 16 03:07:10 xxxxxxxx postfix/smtpd[11116]: NOQUEUE: reject: RCPT from smtp2.vianetworks.de[212.168.16.99]: 450 4.1.1 <DustinperfumeryRay@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<DustinperfumeryRay@xxxxxxxx.com> proto=SMTP helo=<smtp1.vianetworks.de>
Oct 16 03:07:10 xxxxxxxx postfix/smtpd[11214]: NOQUEUE: reject: RCPT from host209-193-static.58-88-b.business.telecomitalia.it[88.58.193.209]: 450 4.1.1 <MagdalenatarpaperAnaya@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<MagdalenatarpaperAnaya@xxxxxxxx.com> proto=SMTP helo=<posta.cosmossnc.net>
Oct 16 03:07:11 xxxxxxxx postfix/smtpd[11257]: NOQUEUE: reject: RCPT from ns2.uni-svishtov.bg[195.20.24.1]: 450 4.1.1 <DougterritoryGriffith@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<DougterritoryGriffith@xxxxxxxx.com> proto=SMTP helo=<ns.uni-svishtov.bg>
Oct 16 03:07:11 xxxxxxxx postfix/smtpd[11214]: disconnect from host209-193-static.58-88-b.business.telecomitalia.it[88.58.193.209]
Oct 16 03:07:11 xxxxxxxx postfix/smtpd[11214]: connect from mail.bhs-helicopteros.com.br[200.172.179.135]
Oct 16 03:07:21 xxxxxxxx postfix/smtpd[11006]: timeout after RCPT from ns.culture-pro.co.jp[210.251.86.130]
Oct 16 03:07:21 xxxxxxxx postfix/smtpd[11006]: disconnect from ns.culture-pro.co.jp[210.251.86.130]
Oct 16 03:07:21 xxxxxxxx postfix/smtpd[11006]: connect from dns.u-shimane.ac.jp[211.1.144.2]
Oct 16 03:07:21 xxxxxxxx postfix/smtpd[11006]: NOQUEUE: reject: RCPT from dns.u-shimane.ac.jp[211.1.144.2]: 450 4.1.1 <BarbrasyzygyBledsoe@xxxxxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<BarbrasyzygyBledsoe@xxxxxxxx.com> proto=SMTP helo=<mail.u-shimane.ac.jp>
Oct 16 03:07:22 xxxxxxxx postfix/smtpd[11006]: disconnect from dns.u-shimane.ac.jp[211.1.144.2]
Oct 16 03:07:22 xxxxxxxx postfix/smtpd[11006]: connect from mail.payrolling.nl[87.215.128.139]

Quote:
#postqueue -p
-Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient-------
B2124F78002 3572 Thu Oct 16 00:51:07 MAILER-DAEMON
(host aspmx.l.google.com[209.85.199.114] said: 450-4.2.1 The user you are trying to contact is receiving mail at a rate 450-4.2.1 that prevents additional messages from being delivered. Please 450-4.2.1 resend your message at a later time. If the user is able to 450-4.2.1 receive mail at that time, your message will be delivered. 450-4.2.1 For more information, please visit 450 4.2.1 http://mail.google.com/support/bin/a...py?answer=6592 g22si1329284rvb.8 (in reply to RCPT TO command))
dnevnik@liveinternet.ru

-- 4 Kbytes in 1 Request.
 
Old 10-16-2008, 06:14 AM   #8
bittus
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please let me know if you need more information
 
Old 10-16-2008, 06:22 AM   #9
Mr. C.
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This was scenario (b) that I laid out. Your server is configured to accept messages for invalid useres, only to bounce them later. See: http://www.postfix.org/BACKSCATTER_README.html

This should make your log messages more understandable:

Code:
****** Summary *************************************************************************************

      19   4xx Reject unknown user                    100.00%
--------   --------------------------------------------------
      19   Total 4xx Rejects                          100.00%
========   ==================================================

      15   Connections             
      15   Disconnections          

       1   Timeout (inbound)       

****** Detail **************************************************************************************

      19   4xx Reject unknown user -----------------------------------------------------------------
      19      Local recipient table
      19         xxxxxxxx.com
       1            audrascytheanaya
       1               195.22.29.202    mail.delta.pt
       1            barbrasyzygybledsoe
       1               211.1.144.2      dns.u-shimane.ac.jp
       1            bernadineprefaceyu
       1               210.58.101.153   paula.tw620.com
       1            dougterritorygriffith
       1               195.20.24.1      ns2.uni-svishtov.bg
       1            dustinperfumeryray
       1               212.168.16.99    smtp2.vianetworks.de
       1            dustinspincunningham
       1               209.180.160.100  mail.josef-seibel.com
       1            georginafritzotto
       1               89.233.12.198    mail.penguin.dk
       1            ghostlike
       1               168.95.4.20      ms2.hinet.net
       1            jerisomalidugan
       1               201.76.172.234   webmail.diblasi.com.br
       1            magdalenatarpaperanaya
       1               88.58.193.209    host209-193-static.58-88-b.business.telecomitalia.it
       1            meaganapplicableclinton
       1               201.76.172.234   webmail.diblasi.com.br
       1            meaganlittletonchristie
       1               89.233.12.198    mail.penguin.dk
       1            ofeliadivinationwolff
       1               211.128.66.14    ns.muratasystem.or.jp
       1            roosevelttientsinflowers
       1               194.82.122.74    mail.students.wlc.ac.uk
       1            rstriven
       1               24.248.41.214    mail.colemanmassey.com
       1            simonescudeddy
       1               216.199.36.54    216-199-36-54.tpa.fdn.com
       1            sylvestermissionaryrios
       1               203.222.107.10   107-10.dsl.connexus.net.au
       1            tommydemocraticwatkins
       1               209.191.66.52    misc101.store.mud.yahoo.com
       1            tponderous
       1               151.204.179.162  mailhost1.emsl.com

       1   Timeout (inbound) -----------------------------------------------------------------------
       1      After RCPT

Last edited by Mr. C.; 10-16-2008 at 06:25 AM.
 
Old 10-16-2008, 06:25 AM   #10
bittus
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Quote:
# postconf mail_version
mail_version = 2.5.1
The version of postfix
 
Old 10-16-2008, 06:26 AM   #11
Mr. C.
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See my edit above.
 
Old 10-16-2008, 07:44 AM   #12
bittus
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Thanks for the support.

I am trying the entries:

Quote:
smtpd_error_sleep_time = 0
unknown_local_recipient_reject_code = 550
After these entries, when I tried sending mails, it went thru. But still when i check the maillog, I can see:

Quote:
Oct 16 04:35:59 xxxxx postfix/smtpd[12026]: connect from h13.ldsam.co.uk[213.86.135.44]
Oct 16 04:35:59 xxxxx postfix/smtpd[12027]: lost connection after RCPT from unknown[62.118.167.34]
Oct 16 04:35:59 xxxxx postfix/smtpd[12027]: disconnect from unknown[62.118.167.34]
Oct 16 04:35:59 xxxxx postfix/smtpd[12026]: NOQUEUE: reject: RCPT from h13.ldsam.co.uk[213.86.135.44]: 450 4.1.8 <postmaster@ad.linedata.com>: Sender address rejected: Domain not found; from=<postmaster@ad.linedata.com> to=<CedriccatharsisYates@xxxxx.com> proto=SMTP helo=<ln1mx01.ldsam.com>
Oct 16 04:36:00 xxxxx postfix/smtpd[12049]: connect from Increation.com[70.86.163.162]
Oct 16 04:36:00 xxxxx postfix/smtpd[12026]: NOQUEUE: reject: RCPT from h13.ldsam.co.uk[213.86.135.44]: 450 4.1.8 <postmaster@ad.linedata.com>: Sender address rejected: Domain not found; from=<postmaster@ad.linedata.com> to=<IsraelthicketJoseph@xxxxx.com> proto=SMTP helo=<ln1mx01.ldsam.com>
Oct 16 04:36:00 xxxxx postfix/smtpd[12049]: NOQUEUE: reject: RCPT from Increation.com[70.86.163.162]: 550 5.1.1 <PedrowellWatkins@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<rusticca@server.increation.com> to=<PedrowellWatkins@xxxxx.com> proto=SMTP helo=<server.increation.com>
Oct 16 04:36:00 xxxxx postfix/smtpd[12026]: disconnect from h13.ldsam.co.uk[213.86.135.44]
Oct 16 04:36:00 xxxxx postfix/smtpd[12049]: disconnect from Increation.com[70.86.163.162]
Oct 16 04:36:00 xxxxx postfix/smtpd[12027]: connect from key.3manhosting.com[66.98.186.44]
Oct 16 04:36:00 xxxxx postfix/smtpd[12048]: NOQUEUE: reject: RCPT from unknown[58.17.229.195]: 554 5.7.1 Client host rejected: cannot find your hostname, [58.17.229.195]; from=<compatiblech@ian-hamilton.com> to=<prestonteethdelgado@xxxxx.com> proto=SMTP helo=<a56ee2ee011442d>
Oct 16 04:36:00 xxxxx postfix/smtpd[12026]: connect from polsmtp03.playonline.com[202.67.57.43]
Oct 16 04:36:00 xxxxx postfix/smtpd[12027]: NOQUEUE: reject: RCPT from key.3manhosting.com[66.98.186.44]: 550 5.1.1 <MinervarhodesKhan@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<MinervarhodesKhan@xxxxx.com> proto=SMTP helo=<key.3manhosting.com>
Oct 16 04:36:00 xxxxx postfix/smtpd[12027]: disconnect from key.3manhosting.com[66.98.186.44]
Oct 16 04:36:00 xxxxx postfix/smtpd[12026]: NOQUEUE: reject: RCPT from polsmtp03.playonline.com[202.67.57.43]: 550 5.1.1 <SherihenGoode@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<SherihenGoode@xxxxx.com> proto=SMTP helo=<polsmtp03.playonline.com>
Oct 16 04:36:01 xxxxx postfix/smtpd[12048]: lost connection after RCPT from unknown[58.17.229.195]
Oct 16 04:36:01 xxxxx postfix/smtpd[12048]: disconnect from unknown[58.17.229.195]
Oct 16 04:36:01 xxxxx postfix/smtpd[12026]: disconnect from polsmtp03.playonline.com[202.67.57.43]
Oct 16 04:36:02 xxxxx postfix/smtpd[12049]: connect from radius.plauen.de[62.156.174.102]
Oct 16 04:36:03 xxxxx postfix/smtpd[12049]: NOQUEUE: reject: RCPT from radius.plauen.de[62.156.174.102]: 550 5.1.1 <SpencertorsionHammond@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<SpencertorsionHammond@xxxxx.com> proto=SMTP helo=<bla.plauen.de>
Oct 16 04:36:03 xxxxx postfix/smtpd[12049]: disconnect from radius.plauen.de[62.156.174.102]
Oct 16 04:36:04 xxxxx postfix/smtpd[12026]: connect from bounceout04.ispgateway.de[80.67.29.55]
Oct 16 04:36:05 xxxxx postfix/smtpd[12026]: NOQUEUE: reject: RCPT from bounceout04.ispgateway.de[80.67.29.55]: 550 5.1.1 <BernadinefsPurvis@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<BernadinefsPurvis@xxxxx.com> proto=SMTP helo=<bounceout04.ispgateway.de>
Oct 16 04:36:05 xxxxx postfix/smtpd[12026]: disconnect from bounceout04.ispgateway.de[80.67.29.55]
Oct 16 04:36:05 xxxxx postfix/smtpd[12048]: connect from topaz1.ryukoku.ac.jp[133.83.160.213]
Oct 16 04:36:06 xxxxx postfix/smtpd[12048]: NOQUEUE: reject: RCPT from topaz1.ryukoku.ac.jp[133.83.160.213]: 550 5.1.1 <AudracorrectorOtto@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<AudracorrectorOtto@xxxxx.com> proto=SMTP helo=<topaz1.ryukoku.ac.jp>
Oct 16 04:36:06 xxxxx postfix/smtpd[12048]: disconnect from topaz1.ryukoku.ac.jp[133.83.160.213]
Oct 16 04:36:07 xxxxx postfix/smtpd[12026]: connect from unknown[58.17.229.195]
Oct 16 04:36:11 xxxxx postfix/smtpd[12048]: connect from cci-douai-routeur2.rain.fr[212.234.200.78]
Oct 16 04:36:11 xxxxx postfix/smtpd[12026]: NOQUEUE: reject: RCPT from unknown[58.17.229.195]: 554 5.7.1 Client host rejected: cannot find your hostname, [58.17.229.195]; from=<backtrackinggg65@saundersgroup.com> to=<qionosphere@xxxxx.com> proto=SMTP helo=<a56ee2ee011442d>
Oct 16 04:36:11 xxxxx postfix/smtpd[12026]: lost connection after RCPT from unknown[58.17.229.195]
Oct 16 04:36:11 xxxxx postfix/smtpd[12026]: disconnect from unknown[58.17.229.195]
Oct 16 04:36:12 xxxxx postfix/smtpd[12027]: connect from unknown[59.59.50.222]
Oct 16 04:36:12 xxxxx postfix/smtpd[12049]: connect from bounce03.msg.oleane.net[62.161.4.49]
Oct 16 04:36:13 xxxxx postfix/smtpd[12049]: NOQUEUE: reject: RCPT from bounce03.msg.oleane.net[62.161.4.49]: 550 5.1.1 <wclipboard@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<wclipboard@xxxxx.com> proto=SMTP helo=<bounce03.msg.oleane.net>
Oct 16 04:36:13 xxxxx postfix/smtpd[12052]: connect from unknown[62.118.167.34]
Oct 16 04:36:14 xxxxx postfix/smtpd[12027]: NOQUEUE: reject: RCPT from unknown[59.59.50.222]: 450 4.7.1 Client host rejected: cannot find your hostname, [59.59.50.222]; from=<admin@alily.com> to=<spencermachinelikeflowers@xxxxx.com> proto=SMTP helo=<alily.com>
Oct 16 04:36:14 xxxxx postfix/smtpd[12027]: lost connection after RCPT from unknown[59.59.50.222]
Oct 16 04:36:14 xxxxx postfix/smtpd[12027]: disconnect from unknown[59.59.50.222]
Oct 16 04:36:14 xxxxx postfix/smtpd[12048]: NOQUEUE: reject: RCPT from cci-douai-routeur2.rain.fr[212.234.200.78]: 554 5.7.1 Service unavailable; Client host [212.234.200.78] blocked using zen.spamhaus.org; http://www.spamhaus.org/query/bl?ip=212.234.200.78; from=<xlnonbomsqan@borischambon.com> to=<alexisarousestrong@xxxxx.com> proto=SMTP helo=<cci-douai-routeur2.rain.fr>
Oct 16 04:36:14 xxxxx postfix/smtpd[12026]: connect from unknown[210.196.152.82]
Oct 16 04:36:15 xxxxx postfix/smtpd[12048]: lost connection after RCPT from cci-douai-routeur2.rain.fr[212.234.200.78]
Oct 16 04:36:15 xxxxx postfix/smtpd[12048]: disconnect from cci-douai-routeur2.rain.fr[212.234.200.78]
Oct 16 04:36:15 xxxxx postfix/smtpd[12027]: connect from 85-18-213-5.ip.fastwebnet.it[85.18.213.5]
Oct 16 04:36:16 xxxxx postfix/smtpd[12026]: NOQUEUE: reject: RCPT from unknown[210.196.152.82]: 450 4.7.1 Client host rejected: cannot find your hostname, [210.196.152.82]; from=<> to=<VirgiegougeAtwood@xxxxx.com> proto=SMTP helo=<dns.shibukawa-j.ed.jp>
Oct 16 04:36:16 xxxxx postfix/smtpd[12027]: NOQUEUE: reject: RCPT from 85-18-213-5.ip.fastwebnet.it[85.18.213.5]: 550 5.1.1 <PerrydecreaseNewman@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<PerrydecreaseNewman@xxxxx.com> proto=SMTP helo=<aries1.serviziocivile.it>
Oct 16 04:36:16 xxxxx postfix/smtpd[12027]: disconnect from 85-18-213-5.ip.fastwebnet.it[85.18.213.5]
Oct 16 04:36:17 xxxxx postfix/smtpd[12052]: NOQUEUE: reject: RCPT from unknown[62.118.167.34]: 554 5.7.1 Client host rejected: cannot find your hostname, [62.118.167.34]; from=<casual5@buddyboats.com> to=<ali@xxxxx.com> proto=SMTP helo=<[62.118.167.34]>
Oct 16 04:36:17 xxxxx postfix/smtpd[12048]: connect from mailhost.haute-savoie.cci.fr[86.64.4.84]
Oct 16 04:36:17 xxxxx postfix/smtpd[12027]: connect from proxy.fnb.cz[195.113.79.10]
Oct 16 04:36:17 xxxxx postfix/smtpd[12052]: lost connection after RCPT from unknown[62.118.167.34]
Oct 16 04:36:17 xxxxx postfix/smtpd[12052]: disconnect from unknown[62.118.167.34]
Oct 16 04:36:18 xxxxx postfix/smtpd[12052]: connect from mx0.dbtech.de[85.214.125.151]
Oct 16 04:36:18 xxxxx postfix/smtpd[12027]: NOQUEUE: reject: RCPT from proxy.fnb.cz[195.113.79.10]: 550 5.1.1 <AlvinrepudiateArnold@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<AlvinrepudiateArnold@xxxxx.com> proto=SMTP helo=<proxy.fnb.cz>
Oct 16 04:36:18 xxxxx postfix/smtpd[12048]: NOQUEUE: reject: RCPT from mailhost.haute-savoie.cci.fr[86.64.4.84]: 550 5.1.1 <PablomercuryLeonard@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<PablomercuryLeonard@xxxxx.com> proto=SMTP helo=<mailhost.haute-savoie.cci.fr>
Oct 16 04:36:18 xxxxx postfix/smtpd[12027]: disconnect from proxy.fnb.cz[195.113.79.10]
Oct 16 04:36:19 xxxxx postfix/smtpd[12052]: NOQUEUE: reject: RCPT from mx0.dbtech.de[85.214.125.151]: 550 5.1.1 <ShermanmollieMaldonado@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<ShermanmollieMaldonado@xxxxx.com> proto=SMTP helo=<mx0.dbtech.de>
Oct 16 04:36:19 xxxxx postfix/smtpd[12027]: connect from unknown[58.17.229.195]
Oct 16 04:36:19 xxxxx postfix/smtpd[12052]: disconnect from mx0.dbtech.de[85.214.125.151]
Oct 16 04:36:22 xxxxx postfix/smtpd[12052]: connect from spam.kist.re.kr[161.122.9.10]
Oct 16 04:36:22 xxxxx postfix/smtpd[12053]: connect from ns.nakakin.co.jp[61.205.122.51]
Oct 16 04:36:22 xxxxx postfix/smtpd[12053]: NOQUEUE: reject: RCPT from ns.nakakin.co.jp[61.205.122.51]: 550 5.1.1 <GordonnotreDuncan@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<postmaster@nakakin.co.jp> to=<GordonnotreDuncan@xxxxx.com> proto=SMTP helo=<mail.nakakin.co.jp>
Oct 16 04:36:23 xxxxx postfix/smtpd[12053]: disconnect from ns.nakakin.co.jp[61.205.122.51]
Oct 16 04:36:23 xxxxx postfix/smtpd[12027]: NOQUEUE: reject: RCPT from unknown[58.17.229.195]: 554 5.7.1 Client host rejected: cannot find your hostname, [58.17.229.195]; from=<scintillaf83@bvunet.com> to=<scircle@xxxxx.com> proto=SMTP helo=<a56ee2ee011442d>
Oct 16 04:36:23 xxxxx postfix/smtpd[12052]: NOQUEUE: reject: RCPT from spam.kist.re.kr[161.122.9.10]: 550 5.1.1 <FloydforbidSnyder@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<mmp@kist.re.kr> to=<FloydforbidSnyder@xxxxx.com> proto=SMTP helo=<spam.kist.re.kr>
Oct 16 04:36:23 xxxxx postfix/smtpd[12027]: lost connection after RCPT from unknown[58.17.229.195]
Oct 16 04:36:23 xxxxx postfix/smtpd[12027]: disconnect from unknown[58.17.229.195]
Oct 16 04:36:24 xxxxx postfix/smtpd[12052]: disconnect from spam.kist.re.kr[161.122.9.10]
Oct 16 04:36:24 xxxxx postfix/smtpd[12053]: connect from grampus.hgn.or.jp[61.198.21.132]
Oct 16 04:36:24 xxxxx postfix/smtpd[12053]: NOQUEUE: reject: RCPT from grampus.hgn.or.jp[61.198.21.132]: 550 5.1.1 <OmarwhimsicBowen@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<OmarwhimsicBowen@xxxxx.com> proto=SMTP helo=<grampus.hgn.or.jp>
Oct 16 04:36:24 xxxxx postfix/smtpd[12053]: disconnect from grampus.hgn.or.jp[61.198.21.132]
Oct 16 04:36:25 xxxxx postfix/smtpd[12027]: warning: 87.236.187.75: hostname 75.187.rekkon.ru verification failed: Name or service not known
Oct 16 04:36:25 xxxxx postfix/smtpd[12027]: connect from unknown[87.236.187.75]
Oct 16 04:36:26 xxxxx postfix/smtpd[12049]: disconnect from bounce03.msg.oleane.net[62.161.4.49]
Oct 16 04:36:27 xxxxx postfix/smtpd[12053]: connect from pc3.atlux-crm-unet.ocn.ne.jp[222.151.195.219]
Oct 16 04:36:27 xxxxx postfix/smtpd[12053]: NOQUEUE: reject: RCPT from pc3.atlux-crm-unet.ocn.ne.jp[222.151.195.219]: 550 5.1.1 <LorenzocarletonKeller@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<LorenzocarletonKeller@xxxxx.com> proto=SMTP helo=<atxmx02.atlux.co.jp>
Oct 16 04:36:28 xxxxx postfix/smtpd[12052]: connect from ds114.xs4all.nl[194.109.152.198]
Oct 16 04:36:28 xxxxx postfix/smtpd[12052]: NOQUEUE: reject: RCPT from ds114.xs4all.nl[194.109.152.198]: 550 5.1.1 <SalvatoreobeseConner@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<SalvatoreobeseConner@xxxxx.com> proto=SMTP helo=<ds114.xs4all.nl>
Oct 16 04:36:28 xxxxx postfix/smtpd[12052]: disconnect from ds114.xs4all.nl[194.109.152.198]
Oct 16 04:36:29 xxxxx postfix/smtpd[12049]: connect from lightwave.mefco.com[64.93.72.215]
Oct 16 04:36:29 xxxxx postfix/smtpd[12049]: NOQUEUE: reject: RCPT from lightwave.mefco.com[64.93.72.215]: 550 5.1.1 <Tfailsafe@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<greg@longphoto.com> to=<Tfailsafe@xxxxx.com> proto=SMTP helo=<lightwave.mefco.com>
Oct 16 04:36:29 xxxxx postfix/smtpd[12027]: NOQUEUE: reject: RCPT from unknown[87.236.187.75]: 554 5.7.1 Client host rejected: cannot find your hostname, [87.236.187.75]; from=<dwirvinegroupm@irvinegroup.com> to=<resume@xxxxx.com> proto=SMTP helo=<75.187.rekkon.ru>
Oct 16 04:36:30 xxxxx postfix/smtpd[12027]: lost connection after RCPT from unknown[87.236.187.75]
Oct 16 04:36:30 xxxxx postfix/smtpd[12027]: disconnect from unknown[87.236.187.75]
Oct 16 04:36:32 xxxxx postfix/smtpd[12052]: connect from unknown[58.17.229.195]
Oct 16 04:36:32 xxxxx postfix/smtpd[12027]: connect from mta106.mail.tnz.yahoo.co.jp[203.216.241.243]
Oct 16 04:36:32 xxxxx postfix/smtpd[12054]: connect from 60-242-139-105.static.tpgi.com.au[60.242.139.105]
Oct 16 04:36:32 xxxxx postfix/smtpd[12027]: NOQUEUE: reject: RCPT from mta106.mail.tnz.yahoo.co.jp[203.216.241.243]: 550 5.1.1 <jermaineconfrereerickson@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<jermaineconfrereerickson@xxxxx.com> proto=SMTP helo=<mta106.mail.tnz.yahoo.co.jp>
Oct 16 04:36:33 xxxxx postfix/smtpd[12027]: disconnect from mta106.mail.tnz.yahoo.co.jp[203.216.241.243]
Oct 16 04:36:33 xxxxx postfix/smtpd[12054]: NOQUEUE: reject: RCPT from 60-242-139-105.static.tpgi.com.au[60.242.139.105]: 550 5.1.1 <SalvatorebishopErickson@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<SalvatorebishopErickson@xxxxx.com> proto=SMTP helo=<Border2.in.neoskosmos.com.au>
Oct 16 04:36:33 xxxxx postfix/smtpd[12055]: connect from hlnet.de[85.214.66.167]
Oct 16 04:36:34 xxxxx postfix/smtpd[12054]: disconnect from 60-242-139-105.static.tpgi.com.au[60.242.139.105]
Oct 16 04:36:34 xxxxx postfix/smtpd[12055]: NOQUEUE: reject: RCPT from hlnet.de[85.214.66.167]: 550 5.1.1 <AngelobolshoiWolfe@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<AngelobolshoiWolfe@xxxxx.com> proto=SMTP helo=<h1042451.serverkompetenz.net>
Oct 16 04:36:34 xxxxx postfix/smtpd[12055]: disconnect from hlnet.de[85.214.66.167]
Oct 16 04:36:35 xxxxx postfix/smtpd[12027]: connect from ta001240.fujikasai.co.jp[210.248.181.8]
Oct 16 04:36:36 xxxxx postfix/smtpd[12052]: NOQUEUE: reject: RCPT from unknown[58.17.229.195]: 554 5.7.1 Client host rejected: cannot find your hostname, [58.17.229.195]; from=<nuggeta7934@jaygohilrealty.com> to=<twinkle@xxxxx.com> proto=SMTP helo=<a56ee2ee011442d>
Oct 16 04:36:36 xxxxx postfix/smtpd[12027]: NOQUEUE: reject: RCPT from ta001240.fujikasai.co.jp[210.248.181.8]: 550 5.1.1 <ElizafianceOtto@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<ElizafianceOtto@xxxxx.com> proto=SMTP helo=<ta001240.fujikasai.co.jp>
Oct 16 04:36:36 xxxxx postfix/smtpd[12027]: disconnect from ta001240.fujikasai.co.jp[210.248.181.8]
Oct 16 04:36:36 xxxxx postfix/smtpd[12052]: lost connection after RCPT from unknown[58.17.229.195]
Oct 16 04:36:36 xxxxx postfix/smtpd[12052]: disconnect from unknown[58.17.229.195]
Oct 16 04:36:37 xxxxx postfix/smtpd[12054]: connect from harrier.inebraska.com[199.184.119.4]
Oct 16 04:36:38 xxxxx postfix/smtpd[12054]: NOQUEUE: reject: RCPT from harrier.inebraska.com[199.184.119.4]: 550 5.1.1 <DustinnomenclatureSnyder@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<DustinnomenclatureSnyder@xxxxx.com> proto=SMTP helo=<harrier.inebraska.com>
Oct 16 04:36:38 xxxxx postfix/smtpd[12054]: disconnect from harrier.inebraska.com[199.184.119.4]
Oct 16 04:36:40 xxxxx postfix/smtpd[12027]: connect from mcmta0.pref.miyazaki.jp[202.75.8.9]
Oct 16 04:36:41 xxxxx postfix/smtpd[12054]: connect from ns200640.ovh.net[91.121.111.146]
Oct 16 04:36:41 xxxxx postfix/smtpd[12052]: connect from unknown[123.200.75.115]
Oct 16 04:36:41 xxxxx postfix/smtpd[12027]: NOQUEUE: reject: RCPT from mcmta0.pref.miyazaki.jp[202.75.8.9]: 550 5.1.1 <MeagannashuaSiegel@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<MeagannashuaSiegel@xxxxx.com> proto=SMTP helo=<DDZ-MTA-000.pref.miyazaki.jp>
Oct 16 04:36:41 xxxxx postfix/smtpd[12054]: NOQUEUE: reject: RCPT from ns200640.ovh.net[91.121.111.146]: 550 5.1.1 <MariannesolubleBullard@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<MariannesolubleBullard@xxxxx.com> proto=SMTP helo=<ns200640.ovh.net>
Oct 16 04:36:41 xxxxx postfix/smtpd[12054]: disconnect from ns200640.ovh.net[91.121.111.146]
Oct 16 04:36:42 xxxxx postfix/smtpd[12054]: warning: 87.236.187.75: hostname 75.187.rekkon.ru verification failed: Name or service not known
Oct 16 04:36:42 xxxxx postfix/smtpd[12054]: connect from unknown[87.236.187.75]
Oct 16 04:36:42 xxxxx postfix/smtpd[12056]: connect from fbmtap12.mail.bbt.yahoo.co.jp[202.93.90.114]
Oct 16 04:36:43 xxxxx postfix/smtpd[12057]: connect from mcsv01.mc.pref.osaka.jp[202.209.91.67]
Oct 16 04:36:43 xxxxx postfix/smtpd[12056]: NOQUEUE: reject: RCPT from fbmtap12.mail.bbt.yahoo.co.jp[202.93.90.114]: 550 5.1.1 <latishascytheburroughs@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<latishascytheburroughs@xxxxx.com> proto=SMTP helo=<fbmtap12.mail.bbt.yahoo.co.jp>
Oct 16 04:36:43 xxxxx postfix/smtpd[12057]: NOQUEUE: reject: RCPT from mcsv01.mc.pref.osaka.jp[202.209.91.67]: 550 5.1.1 <DarrellexquisiteSpencer@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<DarrellexquisiteSpencer@xxxxx.com> proto=SMTP helo=<mcsv01.mc.pref.osaka.jp>
Oct 16 04:36:43 xxxxx postfix/smtpd[12058]: connect from unknown[58.17.229.195]
Oct 16 04:36:43 xxxxx postfix/smtpd[12057]: disconnect from mcsv01.mc.pref.osaka.jp[202.209.91.67]
Oct 16 04:36:43 xxxxx postfix/smtpd[12056]: disconnect from fbmtap12.mail.bbt.yahoo.co.jp[202.93.90.114]
Oct 16 04:36:44 xxxxx postfix/smtpd[12057]: connect from kam1.kitasato-u.ac.jp[202.24.140.133]
Oct 16 04:36:44 xxxxx postfix/smtpd[12057]: NOQUEUE: reject: RCPT from kam1.kitasato-u.ac.jp[202.24.140.133]: 550 5.1.1 <audraplasmonsiegel@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<audraplasmonsiegel@xxxxx.com> proto=SMTP helo=<kam1.kitasato-u.ac.jp>
Oct 16 04:36:44 xxxxx postfix/smtpd[12057]: disconnect from kam1.kitasato-u.ac.jp[202.24.140.133]
Oct 16 04:36:45 xxxxx postfix/smtpd[12052]: NOQUEUE: reject: RCPT from unknown[123.200.75.115]: 554 5.7.1 Client host rejected: cannot find your hostname, [123.200.75.115]; from=<molassescq2997@liteprep.com> to=<randaljosecarson@xxxxx.com> proto=SMTP helo=<REVOLUTI-928A4J>
Oct 16 04:36:45 xxxxx postfix/smtpd[12052]: lost connection after RCPT from unknown[123.200.75.115]
Oct 16 04:36:45 xxxxx postfix/smtpd[12052]: disconnect from unknown[123.200.75.115]
Oct 16 04:36:46 xxxxx postfix/smtpd[12054]: NOQUEUE: reject: RCPT from unknown[87.236.187.75]: 554 5.7.1 Client host rejected: cannot find your hostname, [87.236.187.75]; from=<dwyuelixingm@yuelixing.com> to=<resume@xxxxx.com> proto=SMTP helo=<75.187.rekkon.ru>
Oct 16 04:36:46 xxxxx postfix/smtpd[12054]: lost connection after RCPT from unknown[87.236.187.75]
Oct 16 04:36:46 xxxxx postfix/smtpd[12054]: disconnect from unknown[87.236.187.75]
Oct 16 04:36:47 xxxxx postfix/smtpd[12058]: NOQUEUE: reject: RCPT from unknown[58.17.229.195]: 554 5.7.1 Client host rejected: cannot find your hostname, [58.17.229.195]; from=<cormorantsu989@hollemanco.com> to=<uanteroom@xxxxx.com> proto=SMTP helo=<a56ee2ee011442d>
Oct 16 04:36:48 xxxxx postfix/smtpd[12056]: connect from ns1.2hn.com[63.245.16.10]
Oct 16 04:36:48 xxxxx postfix/smtpd[12058]: lost connection after RCPT from unknown[58.17.229.195]
Oct 16 04:36:48 xxxxx postfix/smtpd[12058]: disconnect from unknown[58.17.229.195]
Oct 16 04:36:48 xxxxx postfix/smtpd[12056]: NOQUEUE: reject: RCPT from ns1.2hn.com[63.245.16.10]: 550 5.1.1 <SethvocateChambers@xxxxx.com>: Recipient address rejected: User unknown in local recipient table; from=<> to=<SethvocateChambers@xxxxx.com> proto=SMTP helo=<ns1.2hn.com>
Oct 16 04:36:51 xxxxx postfix/smtpd[12057]: connect from ecshop.s3t.jp[124.34.250.54]
I am still unsure if the issue is solved or not.
 
Old 10-16-2008, 12:05 PM   #13
Mr. C.
Senior Member
 
Registered: Jun 2008
Posts: 2,529

Rep: Reputation: 61
Let's look at what you have:

Code:
****** Summary *********************************************************

      38   Rejected                                   100.00%
--------   --------------------------------------------------
      38   Total                                      100.00%
========   ==================================================

      28   5xx Reject unknown user                     73.68%
       9   5xx Reject unknown client host              23.68%
       1   5xx Reject RBL                               2.63%
--------   --------------------------------------------------
      38   Total 5xx Rejects                          100.00%
========   ==================================================

       2   4xx Reject sender address                   50.00%
       2   4xx Reject unknown client host              50.00%
--------   --------------------------------------------------
       4   Total 4xx Rejects                          100.00%
========   ==================================================

      41   Connections             
      12   Connections lost (inbound) 
      36   Disconnections          

       2   Hostname verification errors 

****** Detail **********************************************************

      28   5xx Reject unknown user -------------------------------------
      28      Local recipient table
# good - you are rejecting unknown users

       9   5xx Reject unknown client host ------------------------------
       5      58.17.229.195    unknown
       2      87.236.187.75    unknown
       1      62.118.167.34    unknown
       1      123.200.75.115   unknown
# Ok, your systems can't identify these clients - it perm rejects them

       1   5xx Reject RBL ----------------------------------------------
       1      zen.spamhaus.org
# Only 1 RBL reject

       2   4xx Reject sender address -----------------------------------
       2      Domain not found
# Two temporary rejects because the sender's domain was not found
# this may be retried, since it is a temp fail (DNS may simply
# be unavailable for this domain currently)

       2   4xx Reject unknown client host ------------------------------
       1      59.59.50.222     unknown
       1      210.196.152.82   unknown
# Two temporary rejects because the sender's host was not found
# this may be retried, since it is a temp fail (DNS may simply
# be unavailable for this domain currently)

      12   Connections lost (inbound) ----------------------------------
      12      After RCPT
# Clients when rejected by postfix sometimes have a tendency to just
# drop the connection.  That's fine.

       2   Hostname verification errors --------------------------------
       2      Name or service not known
# Postfix tried 2 times to lookup hostnames, but DNS returns that no such domain exists.
Nothing in the log you provided indicates any sending on your part, so at that moment, you were not being a backscatter source.

Only you can indicate if the problem is gone - we still have not seen the output of the mailq command.

It might be time to learn to read Postfix logs:

http://www.onlamp.com/pub/a/onlamp/2...2/postfix.html

Last edited by Mr. C.; 10-16-2008 at 12:07 PM.
 
Old 10-16-2008, 07:45 PM   #14
bittus
Member
 
Registered: Aug 2006
Posts: 153

Original Poster
Rep: Reputation: 15
Quote:
# postqueue -p
-Queue ID- --Size-- ----Arrival Time---- -Sender/Recipient-------
B2124F78002 3572 Thu Oct 16 00:51:07 MAILER-DAEMON
(host aspmx.l.google.com[209.85.199.114] said: 450-4.2.1 The user you are trying to contact is receiving mail at a rate 450-4.2.1 that prevents additional messages from being delivered. Please 450-4.2.1 resend your message at a later time. If the user is able to 450-4.2.1 receive mail at that time, your message will be delivered. 450-4.2.1 For more information, please visit 450 4.2.1 http://mail.google.com/support/bin/a...py?answer=6592 c20si3001918rvf.3 (in reply to RCPT TO command))
dnevnik@liveinternet.ru

-- 4 Kbytes in 1 Request.
This is the only request found in mailq.

In spite of all these, I can still see the time out error occasionally. sometimes I have to wait for so long to get the mail sent.
 
Old 10-16-2008, 08:51 PM   #15
Mr. C.
Senior Member
 
Registered: Jun 2008
Posts: 2,529

Rep: Reputation: 61
Can you correlate any log entries to timeouts?
What mail client and OS are you using to send email?
What exact errors do you see?
 
  


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