Hosts With HEAVY DUTY Spam Protection..
Jul 25, 2007
Are there any hosting companies that use an Enterprise strength SPAM solution such as IronPort?
We have 3-4 business websites and spam, especially within the last 6 months, has become a tremendous problem. At least 100 spam emails a day are being delivered.
Spam filters do not solve the problem - they simply put some percentage of spam in a folder, often genuine emails, and we still have to go through it manually.
Do not mind paying a premium for the hosting. Any hosts that offer HEAVY DUTY spam protection?
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Apr 11, 2008
For months ive been battling spam and other crappy stuff so i made a jump for a IronPort C10 (yea yea its the bottom of the barrel) but this thing works great for my needs and my users (family and friends).
My old load on my mail server was .8 all the time or higher now shes around .2
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Jan 28, 2007
What are the best ways to block outgoing spam? Installing APF would help ful?
Any other idea for outgoing spam?
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Sep 5, 2009
I have a client who is not happy with their current hosting provider. They get a significant amount of spam to their email addresses. Are there any providers you can recommend that offer good spam protection?
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Oct 22, 2014
I have 5 Linux Plesk 12 servers, and I use Spamassassin, usually at a sensitivity of 2 or 3, I also use the following DNS
Blackhole lists: zen. spamhaus. org;b. barracudacentral.org;abuse.rfc-ignorant.org;cbl.abuseat.org;bl.spamcop.net;nomail.rhsbl.sorbs.net
But all of this seems to have minimal effect. I examine spam that comes through which looks very obviously like spam, but Spamassassin gives it a very low score, usually in the negative numbers.
Is SA just not as effective as I thought? Seems like if Gmail, etc can filter spam so effectively, then why can't SA? If there's something I'm not doing right, or what you all do to combat spam with Plesk 12.
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Jul 3, 2014
I have some error when the new outgoing spam protection (limitation for outgoing mail) is enabled. Mail clients are unable to use SMTP for sending mails. "My mail client says: The message could not be sent. You are not allowed to use sendmail utility."
I don't undestand the blocking behaviour since the checkbox "Allow scripts and users to use Sendmail" is checked and no limit is exeeded.This is the relevant log part of maillog:
Code:
Jul 3 00:44:36 srv01 postfix/smtpd[3326]: C0E5182A20: client=46.128.x.x.dynamic.cablesurf.de[46.128.x.x], sasl_method=CRAM-MD5, sasl_username=info@domain.de
Jul 3 00:44:36 srv01 postfix/cleanup[3331]: C0E5182A20: message-id=<0A380CA8-AAE3-4FA8-BA7A-A3FDF7CD16E2@domain.de>
Jul 3 00:44:37 srv01 /usr/lib/plesk-9.0/psa-pc-remote[3280]: handlers_stderr: DATA REPLY:554:[B]5.7.0 The message could not be sent. You are not allowed to use sendmail utility.[/B] REJECT
Jul 3 00:44:37 srv01 /usr/lib/plesk-9.0/psa-pc-remote[3280]: REJECT during call 'limit-out' handler
Jul 3 00:44:37 srv01 postfix/cleanup[3331]: C0E5182A20: milter-reject: END-OF-MESSAGE from 46.128.213.43.dynamic.cablesurf.de[46.128.x.x]: 5.7.0 The message could not be sent. You are not allowed to use sendmail utility.; from=<info@domain.de> to=<mail@domain2.de> proto=ESMTP helo=<[192.168.1.20]>
Jul 3 00:44:37 srv01 postfix/smtpd[3326]: disconnect from 46.128.x.x.dynamic.cablesurf.de[46.128.x.x]
Moreover I disabled the line "non_smtpd_milters" in postfix main.conf since my server has same issues discribed in the following thread:
Postfix: mails sent through sendmail binary are blocked because of wrong HELO
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Aug 12, 2005
We have a Windows Server 2003 dedicated, and use the Windows POP3 Service for emails, is there anything that can be plugged in to provide serverside spam/virus protection?
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Jan 11, 2015
I have configured the DNS zones for DNSBL service as follows;
"zen.spamhaus.org;b.barracudacentral.org;bl.spamcop.net"
but I continue to to get spam from ip adressess that are confirmed as blacklisted at the above zones by testing them at [URL] ...
Is there something that I have missed in the config.
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Aug 25, 2014
When this option is enabled on the Mail Server Settings page, the page loads with the bottom of the page in focus and not the top.
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Nov 15, 2007
Approx how many COD4 slots do you think i could get on the following spec server
Intel Core 2 Quad Pro Q6600 2.40GHz (1066FSB)
80GB Raptor 10,000RPM
2GB DDR2 RAM
Linux OS or Windows XP Pro (not sure if I will fork out the extra for windows or not yet)
100mbit uplink
I'll be co-locating this to a DC.
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Aug 14, 2008
I've run in to a problem with one of my sites. It's a free, simple url redirection service. People use it to spam, as you would probably expect they would. I've written an effective script that removes spam site redirections, and it's easy for me to remove entries/prevent certain domains from ever getting redirections.
However, every once in a while one slips through and I'm contacted by my host. I keep getting kicked off of servers, even if the offending redirection has already been removed or is easy to remove. About every two or three months I find myself having to change hosts because of this, and I've run out of places to turn to.
Does anyone have some advice, or know of a host that won't just flat out kick you off for something like this?
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Jul 8, 2008
I have some websites running on my LINUX server now.
Not all of them are running stable commercial scripts or cgi.
In fact, our server had some records down before by some package scripts.
I only know TOP to know the current server status.
But I can not know which PID is making CPU usage high, or which website.
I think if I can check the exact site or cgi causing heavy loading. Perhaps it helps us to make our server up.
Is there a way or LINUX command to find out which PID is causing heavy loading?
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May 20, 2008
For past one week, my wordpress based blog is just dead, becasue of heavy trackback/pingback spamming(500 a minute). I've tried various plugins, but to no avail.
In addition to stop spammers before generating PHP load, I've tried all possible HTACCESS rules, but to no avail. I truly sure, I've done something wrong.
May I request the experts here to advice on how to stop this ongoing spamming?
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May 4, 2008
My website (Large Discussion Forums Site) is under a heavy DDoS attack since 3 weeks. My first host could not handle such an attack so I moved to another who claimed to have a firewall that can handle the attack, but still, the site is down.
Anyone has a good suggestion to get the site up and handle the attack? Any particular hosts that can help me?
(The Forum has its own server and does not use Apache).
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Jun 5, 2008
on my top process am having this one as shown in the attachement image
its consuming time+ of 746:21:95
on the Process Manager that mysqld process is using the command
/usr/sbin/mysqld --basedir=/ --datadir=/var/lib/mysql --user=mysql --pid-file=/var/lib/mysql/host.theplanet.host.pid --skip-external-locking
is that process normal? and what is cousing it? should i kill it?
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Nov 5, 2007
I have a Windows Server 2003 Enterprise (32 bits) running IIS 6.0, with ASP.Net 1.1.4322. Basically it's an application and image server, that has a large amount of concurrent accesses.
Around 800 users simultaneous access simulteneously and ASP.NET app, that will request some date from an MS-SQL Server database and point the browser to image file (all at once), every few seconds (it's a live webcast applications). The server is quite robust, with 500 GB in a RAID-5, 4 GB RAM, Dual Opteron Processor.
When the users access it, the machine memory and CPU usage a low. Also it has plenty of bandwidth, since it's directly tied to a Gigabit port on the datacenter. I kept an eye on all paramenters and there is no imporant bottleneck on the hardware side.
Here is my problem: after some "images" are sent, with 800 users, the users start getting a 503 error, and can no longer access the images.
On IIS HTTPErr Logs, I found these errors to be "Timer_ConnectionIdle". I believe it has something to do with the way the Application Pool is handling all those concurrent connections. No references to it are made on Windows Logs.
I've already tried tweaking all those paramenters on the Application Pool, but no results. For example, I tried increasing the Request Queue Limit value, but that doesn't seem to make any difference.
Also, I inserted "MaxUserPort=65534" on TCP configurations on regedit. Rebooted. Also, tried turning off keep-alive and decreasing connection timeout, then a restart of the w3svc (see [url]for the explanation about this). Tried changing each parameter individually and tested. No big difference after each modification.
Has anyone ever seen this? Is there a way to get this solved? Again, this address [url] has a description of what seems to be my problem... but I didn't manage to get this solved.
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Nov 24, 2007
I'm currently considering to enter the VPS market
I have recently acquired a nice box (2x Dual Core Opteron 275 2.2 GHz, 16 GB RAM, 16x500 GB SATA @ RAID5/6) but I'm unsure if it isn't smarter to buy smaller machines (like X2 5600+, 4 GB RAM, 2x400 GB HDD) and put like 15-20 customers on it.
Yes, I know that the hard drives are more than oversized for VPS hosting
The Opteron server will have a very, very nice I/O performance so that customers are going to have a good feeling while working on it. To refinance the costs it would of course be neccessary to put not less than 125 VPS on one box, so I can imagine that there'll be a bottle neck somewhere (CPU power I'd guess?).
What is your opinion? Big boxes with high performance and loads of customers, or small boxes with not-so-many VPS?
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Apr 4, 2009
I run a heavy site, and httpd always failing...
I have a server with these specs:
Q6600
8GB RAM
500 GB SATA HD
Cpanel/WHM
I run a filehosting site actually and there are alot of people downloading at the same time which i think the server goes down and then httpd restarts itself and all the people downloading the files, their files get currupted.
How can i make it so it stays stable?
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Mar 23, 2007
I am running a VB forum using lighttpd and ranomly one of PHP proccess is using about 80 90 % of memory ! and i should kill it manualy
i want to know how to find reason ?
Config :
Centos 4.4 32 Bit
Kernel : 2.6.9-42.0.3.EL
Lighttpd 1.3.14
PHP 4.4.6 FastCGI
xCache 1.2.0
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Nov 6, 2009
One of my Cpanel servers is showing heavy data transfer this month. In 6 days, it crossed 600 GB data transfer which is equal to what it did last month. Also, all the websites collectively have only consumed around 60 GB data transfer in 6 days. How do I find out what exactly is causing heavy data transfer?
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Aug 8, 2008
I have 2 identical Fedora8 boxes with Apache 2.2.8, MySQL 5.0.45 and PhP 5.2.4. I use one as the Web+DB server (say box A), and the other (box B) just as the Web server connecting to the DB server on box A. I use this 2 machine configuration to test a LAMP based-Web application. I have a client program on other machines that can emulate a massive web workload to these 2 servers; it can emulate hundreds to thousands of users using the application simultaneously.
Before running the test, the connection to the DB server from both boxes seem fine. Using the mysql client program on either box A or B trying to connect to the DB, the connection goes through instantly. In the /etc/my.cnf file, I have max_connections=4096 and max_user_connections=4096. Note that the web app uses one single db user to connect to the db. To allow remote connection, I inserted one record into the user table of the mysql db whose the host field's value is '%' (allow connection from all remote hosts).
After running the test (which I found out that many requests sent to box B failed), mysql client program on box A is still able to connect to the db instantly; but the one on box B has a problem: it takes extremely long (5 - 10 minutes or even more) to establish the connection, it doesn't time out, just takes that long. I believe that's the cause for the failure of requests to box B.
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Jun 14, 2008
We are facing a very problematic situation since last several months due to accessive bandwith usage. But we are sure this is only local traffic.
We have 2 Servers with our hosting provider
Server A - this is a VPS
all our webfiles/domains/dns/nameservers reside on this server
Server B - this is a dedicated server
contains only databases
(we are actively running vbulletin based forums on this servers)
Since last several months we are facing huge bandwith increase since we have transferred only our databases to Server B. (earlier database + everything was on Server A) We never ever consumed even 50% of the entire allocated bandwith in past when we were on Server A.
But only after moving the database from Server A to Server B we have found this tremendous increase,
Can we do something about same ? as both the servers belong to same hosting provider.
We are not sure but expect that this is only local network traffic between 2 servers.
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Jun 14, 2008
We are facing a very problematic situation since last several months due to accessive bandwith usage. But we are sure this is only local traffic.
We have 2 Servers with our hosting provider
Server A - this is a VPS
all our webfiles/domains/dns/nameservers reside on this server
Server B - this is a dedicated server
contains only databases
(we are actively running vbulletin based forums on this servers)
Since last several months we are facing huge bandwith increase since we have transferred only our databases to Server B. (earlier database + everything was on Server A) We never ever consumed even 50% of the entire allocated bandwith in past when we were on Server A.
But only after moving the database from Server A to Server B we have found this tremendous increase,
Can we do something about same ? as both the servers belong to same hosting provider.
We are not sure but expect that this is only local network traffic between 2 servers.
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Oct 8, 2009
I am looking for some good ddos protection providers, via protected dns. I've searched on internet, but most of them are really expensive.
Please tell me some ddos protection providers what could help me.(gige is too expensive btw).
And I found some ddos protection scripts. How can a script protected a server from ddos? A sript like CSF or DDoS deflate?
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Apr 2, 2008
I was in the market for a new dedicated server after a couple of years with my previous provider. The previous provider did nothing wrong but they were no longer competitive when it came to CPU and memory.
I moved first to geekrack. And I left them after a week and a half as they never were able to get my rDNS records setup.
I found Universal Hosts on this forum and gave them a shot. I had asked for an operating system that they didn't offer normally (Debian 64 bit) and they said that they could do it. However, when my server was setup it was 32 bit Debian instead. They apologized and had Debian 64 bit setup less than 24 hours later.
When I asked them to get rDNS records setup it took a few hours but they were setup correctly and they worked.
Universal Hosts is also a BurstNet reseller but compared to my other attempt at using a BurstNet reseller they are fantastic. While the initial config was incorrect they worked quickly to fix it and were very professional about it.
So after two weeks - so far so good. Keep up the good work UniHosts!
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Aug 11, 2013
I am running Apache2.2, PHP5.I have been running with virtual hosts on a Windows 7 environment fine for a couple of years successfully, but have just had to move to a Windows 8 environment.It looks like Apache and PHP have installed and are working fine, but my Virtual hosts are now not being recognised. From what I can tell, it is the Windows 8 hosts file that is having a problem, as it looks as though it is now just setup to Block websites.
If I make the host file just have the one line127.0.0.1 localhost entry, then the very first Virtual Host from my apache config file will come up, but the rest are not found.If I put the usual 127.0.0.1 mywebsite.name aliasname is appears as though my website works momentarily and then is blocked..
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Aug 16, 2008
Recently I stumbled along a host on here with a good rep and that uses direct admin.
Because they were very nice on the live support I signed up to see what direct admin was like.
Its very diferent from cpanel. Some parts seem to be harder to use like the phpmyadmin requires the username and password to the database you created not the control panel username and password like cpanel. Although I guess that could be a good security feature just in case some one gets into the control panel they can not get into the phpmyadmin, then again if they are smart and were able to get into the control panel they could get into ftp and look what the username and password is on the config file for the script you are using.
The bandwidth meter seems to be better in direct admin although I think its acting up for me as its putting yesterdays bandwidth on todays. I was told by the host that it updates every 2 hours and at first it did but now its gone to every day. Oh and unlike cpanel this bandwidth meter includes bandwith used by the control panel.
Niether one from what I can tell counts sftp though at least for the hosts I have right now.
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Oct 17, 2013
Microsoft Windows Server 2008 R2 Service Pack 1
Panel version 11.0.9 Update #59, last updated at Oct 3, 2013 02:06 AM
MailEnable version 5
I see in the plesk documentation that the screen to enable SPAM filtering for an individual there is an option to "Move spam to the Spam folder". I don't see that option so I am wondering if it is only available on some versions of Plesk, or in combination with certain mail servers. How to make that option available?
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Apr 16, 2009
Hey guys If there was a way to have the ips of the dedi change constantly would this help prevent ddos attacks or would there be no difference if the domain was being attacked.
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May 25, 2009
i'am looking for a software based ddos protection,some one know something for try to mitigate a ddos or help to get the server rock a solid?And i need to know too where i change the DNS(vhost) of my DEDICATED server.
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