Rebooted After Receiving A Few Of The Following Kernel Message
Nov 8, 2008
The server have to be rebooted after receiving a few of the following kernel message..
Nov 8 12:13:40 server1 kernel: sim invoked oom-killer: gfp_mask=0x201d2, order=0, oomkilladj=0
Nov 8 12:13:40 server1 kernel: [<c04588d9>] out_of_memory+0x72/0x1a5
Nov 8 12:13:40 server1 kernel: [<c0459dae>] __alloc_pages+0x216/0x297
Nov 8 12:13:40 server1 kernel: [<c045b01b>] __do_page_cache_readahead+0xc4/0x1c6
Nov 8 12:13:40 server1 kernel: [<c04555e8>] sync_page+0x0/0x3b
Nov 8 12:13:40 server1 kernel: [<c04506fd>] __delayacct_blkio_end+0x32/0x35
Nov 8 12:13:40 server1 kernel: [<c06089bf>] __wait_on_bit_lock+0x4b/0x52
Nov 8 12:13:40 server1 kernel: [<c0455563>] __lock_page+0x52/0x59
Nov 8 12:13:40 server1 kernel: [<c0457e8a>] filemap_nopage+0x151/0x313
Nov 8 12:13:40 server1 kernel: [<c0460b48>] __handle_mm_fault+0x178/0x8b3
Nov 8 12:13:40 server1 kernel: [<c042f77c>] do_sigaction+0xb5/0x155
Nov 8 12:13:40 server1 kernel: [<c060a9db>] do_page_fault+0x20a/0x4b8
Nov 8 12:13:40 server1 kernel: [<c060a7d1>] do_page_fault+0x0/0x4b8
Nov 8 12:13:40 server1 kernel: [<c0405a71>] error_code+0x39/0x40
Nov 8 12:13:40 server1 kernel: =======================
Nov 8 12:13:40 server1 kernel: Mem-info:
Nov 8 12:13:40 server1 kernel: DMA per-cpu:
Nov 8 12:13:40 server1 kernel: cpu 0 hot: high 0, batch 1 used:0
Nov 8 12:13:40 server1 kernel: cpu 0 cold: high 0, batch 1 used:0
Nov 8 12:13:40 server1 kernel: cpu 1 hot: high 0, batch 1 used:0
Nov 8 12:13:40 server1 kernel: cpu 1 cold: high 0, batch 1 used:0
Nov 8 12:13:40 server1 kernel: cpu 2 hot: high 0, batch 1 used:0
Nov 8 12:13:40 server1 kernel: cpu 2 cold: high 0, batch 1 used:0
Nov 8 12:13:40 server1 kernel: cpu 3 hot: high 0, batch 1 used:0
Nov 8 12:13:40 server1 kernel: cpu 3 cold: high 0, batch 1 used:0
Nov 8 12:13:40 server1 kernel: DMA32 per-cpu: empty
Nov 8 12:13:40 server1 kernel: Normal per-cpu:
Nov 8 12:13:40 server1 kernel: cpu 0 hot: high 186, batch 31 used:27
Nov 8 12:13:40 server1 kernel: cpu 0 cold: high 62, batch 15 used:32
Nov 8 12:13:40 server1 kernel: cpu 1 hot: high 186, batch 31 used:20
Nov 8 12:13:40 server1 kernel: cpu 1 cold: high 62, batch 15 used:43
Nov 8 12:13:40 server1 kernel: cpu 2 hot: high 186, batch 31 used:24
Nov 8 12:13:40 server1 kernel: cpu 2 cold: high 62, batch 15 used:36
Nov 8 12:13:40 server1 kernel: cpu 3 hot: high 186, batch 31 used:28
Nov 8 12:13:40 server1 kernel: cpu 3 cold: high 62, batch 15 used:14
Nov 8 12:13:40 server1 kernel: HighMem per-cpu:
Nov 8 12:13:40 server1 kernel: cpu 0 hot: high 186, batch 31 used:21
Nov 8 12:13:40 server1 kernel: cpu 0 cold: high 62, batch 15 used:4
Nov 8 12:13:40 server1 kernel: cpu 1 hot: high 186, batch 31 used:29
Nov 8 12:13:40 server1 kernel: cpu 1 cold: high 62, batch 15 used:58
Nov 8 12:13:40 server1 kernel: cpu 2 hot: high 186, batch 31 used:12
Nov 8 12:13:40 server1 kernel: cpu 2 cold: high 62, batch 15 used:46
Nov 8 12:13:40 server1 kernel: cpu 3 hot: high 186, batch 31 used:27
Nov 8 12:13:40 server1 kernel: cpu 3 cold: high 62, batch 15 used:17
Nov 8 12:13:40 server1 kernel: Free pages: 118308kB (508kB HighMem)
Nov 8 12:13:40 server1 kernel: Active:421521 inactive:430319 dirty:0 writeback:0 unstable:0 free:29577 slab:11654 mapped-file:883 mapped-anon:856741 pagetables:5457
Nov 8 12:13:40 server1 kernel: DMA free:11680kB min:68kB low:84kB high:100kB active:0kB inactive:0kB present:16384kB pages_scanned:0 all_unreclaimable? yes
Nov 8 12:13:40 server1 kernel: lowmem_reserve[]: 0 0 880 4080
Nov 8 12:13:40 server1 kernel: DMA32 free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pages_scanned:0 all_unreclaimable? no
Nov 8 12:13:40 server1 kernel: lowmem_reserve[]: 0 0 880 4080
Nov 8 12:13:40 server1 kernel: Normal free:106120kB min:3756kB low:4692kB high:5632kB active:437212kB inactive:262196kB present:901120kB pages_scanned:1567124 all_unreclaimable? yes
Nov 8 12:13:40 server1 kernel: lowmem_reserve[]: 0 0 0 25600
Nov 8 12:13:40 server1 kernel: HighMem free:508kB min:512kB low:3928kB high:7344kB active:1408712kB inactive:1299160kB present:3276800kB pages_scanned:9082467 all_unreclaimable? yes
Nov 8 12:13:40 server1 kernel: lowmem_reserve[]: 0 0 0 0
Nov 8 12:13:40 server1 kernel: DMA: 130*4kB 125*8kB 89*16kB 63*32kB 35*64kB 7*128kB 2*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 11680kB
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Jan 2, 2015
I have windows server 2008 r2 and plesk 12. I can receive mails but can not send mail. I am receiving mail like this :
MailEnable: Message could not be delivered to some recipients.
The following recipient(s) could not be reached:
Recipient: [SMTP:sendmailaddress]
Reason: 550-5.7.1 [2a00:9bc0::3531:cd42:eef3:7fa6 12] Our system has detected that
Message contents follow:
Received: from WIN-96QMVEABCNP ([127.0.0.1]) by home with MailEnable ESMTP; Fri, 2 Jan 2015 15:32:47 +0200
Received: from 78.186.22.117 ([78.186.22.117]) by webmail.mydomain (Horde
Framework) with HTTP; Fri, 02 Jan 2015 13:32:41 +0000
Date: Fri, 02 Jan 2015 13:32:41 +0000
[Code] .....
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Jan 23, 2008
I keep getting the following message in my /var/log/message log file:
kernel: ** RABHIT ** IN=eth0 OUT= MAC=00:1b:78:6e:a7:cc:00:03:fe:a0:50:00:08:00 SRC=XX.XXX.XXX.XXX DST=XXX.XXX.XXX.XXX LEN=40 TOS=0x00 PREC=0x00 TTL=237 ID=53229 PROTO=TCP SPT=51203 DPT=80 WINDOW=0 RES=0x00 RST FIN URGP=0
where the XXX.XXX.XXX.XXX is an ip address. Can anyone explain what this is?
This is on a Red Hat box.
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Apr 5, 2007
how can i find out what has caused my server to hang/overload once its rebooted?
I know that the SWAP maxed out but i am unsure why.
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Mar 29, 2007
we have one box in hivelocity.net that has been down so many times this month that we were forced to remove links to siteuptime where we were once so proud of having a 99.7% uptime for 3 years in theplanet.
syslog shows that just before crashing, these entries were made:
kernel: kernel BUG at mm/rmap.c:479
kernel: invalid operand:0000 [#1]
dmesg also shows this:
...
Brought up 2 CPUs
zapping low mappings.
checking if image is initramfs... it is
Freeing initrd memory: 482k freed
NET: Registered protocol family 16
PCI: PCI BIOS revision 2.10 entry at 0xf9f20, last bus=1
PCI: Using configuration type 1
mtrr: v2.0 (20020519)
mtrr: your CPUs had inconsistent fixed MTRR settings
mtrr: probably your BIOS does not setup all CPUs.
mtrr: corrected configuration.
...
i've googled these messages and they point to ram problems.
hivelocity.net claims to have done diagnostics on the box and that there were no problems reported.
they said this is a result of a sys configuration problem made by us.
any ideas?
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May 20, 2009
running centos/virtuozzo 2.6.18-028stab062.3
when i configure vmware it asks at one point for kernel header files. where would i find them to match the current kernel?
i asked at parallels forums but help there is very scarce. i checked openVZ repositories and they dont yet have headers for this version.
what are my options? i have one last windows machine left and want to run it in VMware.
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Apr 29, 2007
Last year I ordered a new server with Centos 4.3 and it had the kernel kernel 2.6.9-34.0.2ELsmp installed. It runned fine and I didn't update any packages since then.
Today I started getting a problem where both mysqld and kswapd0 uses very high amounts of CPU, spiking up to 100% and my memory usage is at 99% all the time. The problem seems exactly the same as the one mentioned in this thread.
In that thread the exact same kernel is said to be insecure and to cause this problem. I also came across a centOS bug that reports this problem with high cpu, mem usage and mysql & kswapd0 consuming all resources.
In the linked thread the person solved the problem by upgrading to kernel 2.6.9-42 using rpms but others recommended a newer kernel or a custom compiled kernel for CentOS.
Apparently when they used yum it said 34.0.2 was the latest kernel.
What should I do to upgrade the kernel, which version should i upgrade to, and where do I get it from? I won't be able to compile a custom kernel and I've only installed basic rpm packages before.
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Dec 17, 2014
Apache:2.2.26
OS:RHEL
How to translate non-chunked message to a chunked message using apache server side configuration?Idea is that apache must translate non-chunked request message coming from a client to a Transfer-Encoding: chunked message,before it reaches my apache C module.Here is the configuration i tried in httpd.conf,but of no success
ProxyRequests On
ProxyVia On
<Proxy *>
</Proxy>
<VirtualHost x.x.x.x:8080>
ServerName server
ServerAdmin root@server
LogLevel warn
SetEnv proxy-sendchunked 1
[code]...
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Jul 18, 2009
So got my dedi the other day. Everything is perfect. However I'm running into some issues.
I have setup some forwarders in cPanel to redirect to my Gmail but unfortunatley I'm not getting them all.
I sent some emails from various address and only received one.
Now I can only think of 3 issues.
1. Something to do with DC/Network.
2. cPanel problem (DC set cpanel up)
3. DNS servers (DC set them)
I have used the mail troubleshooter in WHM and all seems to be fine, it says its sending mail to Gmail so not sure what the problem is.
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Jun 21, 2008
I have postfix server on my linux server. I have configured it to use SSL on port 25. I can send mail to my yahoo account but when I reply to that mail from my yahoo account to my SMTP server the mail is bouncing back and its giving this error message.
Remote host said: 530 5.7.0 Must issue a STARTTLS command first
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Aug 22, 2007
A few days ago I started having some people tell me that they can't send email to me. Basically, they get a permanent failure. It is very hit or miss though as I'm still getting some mail and not others.
There are a few things that I don't know if they could be contributing factors.
1.) I'm using GMail to check my POP accounts on my webserver.
2.) I have been receiving this message when CPanel runs it's updates at night. The version of perl you are running (v5.8.1) is too old. There are known problems that cannot be worked around with this version of perl. It is HIGHLY recommended that you upgrade to v5.8.5 or later. Any module install failures should be ignored until perl has been upgraded as some modules will not be able to install with this version of perl.
3.) I noticed the WHM interface is updated so maybe something upgraded and broke.
I'm running a Cpanel/Redhat server over at ThePlanet if it matters.
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Dec 20, 2007
A client is not receiving some of her e-mails from one account she has on the server.
She receives most but some are getting lost (not being received or bouncing back)
All other e-mail accounts that she has on our server are receiving e-mail fine.
The missing emails are from different domains so it's not a problem with the people sending the emails.
I deleted and reinstalled the account on the server and got her to delete and reinstall the account in Outlook express.
That didnt work.
There are no spam filters in place either on the her server account or in her e-mail client and we are not using any RBLs to block email.
The missing emails are not in the mail queue either.
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Jan 22, 2008
Hotmail not receiving any emails from my server nevertheless log files is ok no problem and messages sent every thing is ok recently i contacted with my server's provider to make a ptr record at dns to fix hotmail problem and i shoked when i notice that they put a wronge ip
My Q: is that ptr record is important and it could be the reason for making hotmail rejecting my emails
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Sep 4, 2007
i recently changed host and after i changed host, i am unable to send emails to hotmail from my mail server. Gmail and yahoo are fine.
The error message from Hotmail:
SMTP error from remote mail server after MAIL FROM:<webmaster@joinmo.com> SIZE=3494:
host mx3.hotmail.com [65.54.244.200]: 550 Your e-mail was rejected for policy reasons on this gateway. Reasons for rejection may be related to content with spam-like characteristics or IP/domain reputation problems. If you are not an e-mail/network admin please contact your E-mail/Internet Service Provider for help. For e-mail delivery information, please go to [url]
I also ran a dnsreport and heres the result
[url]
I have contacted microsoft but really not sure when they will give me a reply .. meanwhile, if there is any solution to my problem, it would be greatly appreciated.
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Oct 2, 2007
I moved to a new server today but I think there's one configuration setting causing some problems.
I'm receiving spam in my own mailbox, sent to other people's accounts. My own mailbox is the mailbox to which root and nobody and cpanel addresses are forwarded to. The target email of the spam mails don't exist, so the spam ends up in MY inbox. Any idea what's causing this? Maybe the accounts are not configured to use ":fail:" as catchall address? Though cPanel is configured to use that value as default.
My next question is: How can I change the catchall address of ALL my accounts and set them to ":fail:"? Is there a script I could use?
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Sep 24, 2007
Anyone know how to fix this? I put it as plain as possible. I've reinstalled qmail once to see if I can get it to send/receive but it is still not working. I made sure the port is not blocked either.
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Mar 29, 2007
For some reason... No one with a Comcast.net email address can email us..
Always the Rejected Email comes back with This message:
==============================================================
A message (from <yyyyyyy@comcast.net>) was received at 29 Mar 2007 3:15:15 +0000.
The following addresses had delivery problems:
<yyyyy@sellwebhost.com>
Permanent Failure: 550-Callback_setup_failed_while_verifying_<yyyyyyy@comcast.net>
Delivery last attempted at Thu, 29 Mar 2007 03:15:18 -0000
=============================================================
I have used "yyyyyyy" only to alter the email address for privacy..
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Aug 17, 2008
I made a change to one file in /etc/exim4/virtuals - all I did was to add a new line in a file like this:
mailbox: tony
Saved it and then did a
/etc/init.d/exim4 reload
All of sudden, all of my emails has stopped working!
I sent a test email to my address, never received it...
I looked at mainlog - nothing is being added to it.
Same with rejectlog
What am I missing?
Server is Ubuntu and this is a decidated server.
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Nov 24, 2008
One of my clients is receiving spam from his email address. SpamAssassin is not marking it as spam. I have added an SPF record for the domain, but still gets these messages. Is there any workaround for this? I don't want to activate spambox for that.
Server is cPanel + CentOS 5.2
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Jan 11, 2008
There is a strange problem with picking up and sending emails on Outlook 2007 which I have wasted hours on over the last week.
Whenever I try to pick up/send emails on domain names, I get a 800CCC0F error message. It says: "reported error (0x800CCC0F): 'The connection to the server was interrupted. If the problem continues, contact your server adminstrator or Internet Service Provider (ISP)'"
I have gone through all the steps here [url]and here [url]and on another websites.
I have been setting up email addresses on Outlook for several years, so know how they should be done.
The strange thing is the email addresses of domain names hosted elsewhere work perfectly. But both new and existing Clook-hosted email addresses are producing this error message.
I believe it may be an error with the software for two reasons:
1. The email addresses work perfectly when I open Outlook in Safe Mode.
2. Our web host's staff have not been able to find anything wrong and the email addresses work when they try to set them up on their computers.
Any idea why our email addresses may not be working and how I can fix this please?
I have tried System Restore and Repairing the program on my computer's Control Panel.
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Dec 7, 2007
Gmail users are fine.
Two days ago, Yahoo and hotmail users were receiving emails in the Junk folder. I thought this was due to the Reverse DNS settings not being set. So, I contacted Rus from cheapVPS and asked him to enable the Reverse DNS setting after I entered it in the Hyper VM panel, and he kindly did it.
Unfortunately, since the Reverse DNS setting was entered, Yahoo and Hotmail users stopped receiving mails from my site. Gmail users never faced any problem.
the logs (from maillog) are as follows:
Code:
Dec 6 00:37:27 aqarcenter,cin pop3d: LOGIN, user=questions@aqarcenter.com, ip=[::ffff:209.85.132.248]
Dec 6 00:37:27 aqarcenter,cin pop3d: LOGOUT, user=questions@aqarcenter.com, ip=[::ffff:209.85.132.248], top=0, retr=0
Dec 6 00:40:00 aqarcenter,cin qmail: 1196890800.882846 new msg 12077935
Dec 6 00:40:00 aqarcenter,cin qmail: 1196890800.882881 info msg 12077935: bytes 2020 from <anonymous@aqarcenter.com> qp 11561 uid 48
Dec 6 00:40:00 aqarcenter,cin qmail: 1196890800.943863 starting delivery 308: msg 12077935 to remote semelak1@hotmail.com
Dec 6 00:40:00 aqarcenter,cin qmail: 1196890800.943891 status: local 0/10 remote 1/20
Dec 6 00:40:02 aqarcenter,cin qmail: 1196890802.495781 delivery 308: success: 65.54.244.72_accepted_message./Remote_host_said:_250__<20071205214000.11560.qmail@aqarcenter.com>_Queued_mail_for_delivery/
Dec 6 00:40:02 aqarcenter,cin qmail: 1196890802.691249 status: local 0/10 remote 0/20
Dec 6 00:40:02 aqarcenter,cin qmail: 1196890802.918473 end msg 12077935
Dec 5 19:19:35 aqarcenter,cin qmail: 1196871575.358924 info msg 12077935: bytes 1970 from <anonymous@aqarcenter.com> qp 17875 uid 48
Dec 5 19:19:35 aqarcenter,cin qmail: 1196871575.536635 starting delivery 301: msg 12077935 to remote semelak_11@yahoo.com
Dec 5 19:19:35 aqarcenter,cin qmail: 1196871575.536673 status: local 0/10 remote 1/20
Dec 5 19:19:36 aqarcenter,cin qmail: 1196871576.006538 delivery 301: deferral: Connected_to_68.142.202.247_but_greeting_failed./Remote_host_said:_421_Message_from_(91.186.21.215)_temporarily_deferred_-_4.16.50._Please_refer_to_[url]
Dec 5 19:19:36 aqarcenter,cin qmail: 1196871576.006641 status: local 0/10 remote 0/20
Dec 5 19:20:27 aqarcenter,cin qmail: 1196871627.155102 new msg 12077939
Dec 5 19:20:27 aqarcenter,cin qmail: 1196871627.155151 info msg 12077939: bytes 1970 from <anonymous@aqarcenter.com> qp 24088 uid 48
Dec 5 19:20:27 aqarcenter,cin qmail: 1196871627.604693 starting delivery 302: msg 12077939 to remote semelak1@hotmail.com
Dec 5 19:20:27 aqarcenter,cin qmail: 1196871627.604744 status: local 0/10 remote 1/20
Dec 5 19:20:29 aqarcenter,cin qmail: 1196871629.172091 delivery 302: success: 65.54.245.72_accepted_message./Remote_host_said:_250__<20071205162026.24087.qmail@aqarcenter.com>_Queued_mail_for_delivery/
Dec 5 19:20:29 aqarcenter,cin qmail: 1196871629.172184 status: local 0/10 remote 0/20
Dec 5 19:20:29 aqarcenter,cin qmail: 1196871629.207391 end msg 12077939
and the site is aqarcenter.com
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Nov 19, 2007
my Exim mail outgoing queue is getting stuck and i cannot receive emails. Under WHM i have 50 odd emails, some 7 days old.
A small dump from /var/log/exim-mainlog is below:
2007-11-19 04:40:45 H=(H®) [202.57.142.156] sender verify defer for <jqyuehutmqluz@epilot.com>: could not connect to mail02.interchangeusa.com [63.251.210.81]: Connection timed out
2007-11-19 04:40:45 H=(H®) [202.57.142.156] F=<jqyuehutmqluz@epilot.com> temporarily rejected RCPT <morleyc@myemail.net>: Could not complete sender verify callout
2007-11-19 04:40:45 unexpected disconnection while reading SMTP command from (H®) [202.57.142.156]
2007-11-19 04:40:51 no IP address found for host 202.57.142.156.sta.isp-thailand.com (during SMTP connection from [202.57.142.156])
2007-11-19 04:40:57 no IP address found for host 202.57.142.156.sta.isp-thailand.com (during SMTP connection from [202.57.142.156])
2007-11-19 04:41:01 no IP address found for host 202.57.142.156.sta.isp-thailand.com (during SMTP connection from [202.57.142.156])
2007-11-19 04:41:04 no IP address found for host 202.57.142.156.sta.isp-thailand.com (during SMTP connection from [202.57.142.156])
2007-11-19 04:41:43 no host name found for IP address 77.94.106.13
2007-11-19 04:41:49 1ItxNu-0007E6-4s mail.global.frontbridge.com [207.46.51.86] Connection timed out
2007-11-19 04:41:49 1ItxNu-0007E6-4s == hmt@someaddress.com <HMT@someaddress.com> R=lookuphost T=remote_smtp defer (110): Connection timed out
2007-11-19 04:41:49 1ItxNu-0007E6-4s == jog@someaddress.com <JOG@someaddress.com> R=lookuphost T=remote_smtp defer (110): Connection timed out
2007-11-19 04:41:49 1ItxNu-0007E6-4s == mrl@someaddress.com <MRL@someaddress.com> R=lookuphost T=remote_smtp defer (110): Connection timed out
2007-11-19 04:42:29 H=(client-200.121.46.74.speedy.net.pe) [200.121.46.74] sender verify defer for <tecat@yahoo.de>: Could not complete sender verify callout
2007-11-19 04:42:29 H=(client-200.121.46.74.speedy.net.pe) [200.121.46.74] F=<tecat@yahoo.de> temporarily rejected RCPT <morleyc@myemail.net>: Could not complete sender verify callout
2007-11-19 04:42:29 unexpected disconnection while reading SMTP command from (client-200.121.46.74.speedy.net.pe) [200.121.46.74]
Everything was fine until about 7 days ago, i dont know why the config didnt change but since then its been dropping received emails and queueing on sends.
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Nov 5, 2007
I have the latest whm/cpanel version installed.
I also have assp deluxe installed.
Here's my problem: I have a client that is having problems with his emails account. When someone sends him a mail from Brinkster.com, a rebound error is received:
Quote:
This is the Postfix program at host mta7.brinkster.com.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to <postmaster>
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The Postfix program
<ramy@kellyetcie.com>: kellyetcie.com
This only happens to that specific client. I tried sending a brinkster email to another account on the server, and it works fine. The problem only happens with that specific client..
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