Plesk 11.x / Linux :: Improve SpamAssassin Performance?

Jul 8, 2014

What steps can we take to improve SpamAssassin performance? I know this was talked about in older Plesk versions, but we may be able to do more now. What configurations can I do to stop more spam?

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Plesk 12.x / Linux :: Use Xcache To Improve Performance

Dec 12, 2014

We are getting trouble with a site into a dedicadte server, more specific performance issue due to many visitors on same time 1000. Mysql is overload. We would like to use xcache to improve performance, using xcache with plesk 12 centos? its safe, works fine?

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Does VT Improve The Performance Of VMWare Server

May 4, 2009

The newer Pentium 4 3.0 GHz processors had so called 'VT'-support. That's something every regular processor has nowadays.

I currently run a Pentium 4 3.0 GHz server without VT. Will there be a drastic performance boost if I use a Pentium 4 3.0 GHz with VT?

What is VT anyways? I only know that Xen requires it if you wish to host a Windows Virtual Machine on a Xen Linux Server.

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Plesk 12.x / Linux :: Spamassassin Is Not Installed?

Oct 21, 2014

I have a problem with Parallels Plesk 12 Web Host Edition. In the dashboard, Plesk tells me that Spamassassin service is not running and not installed.

How to setting up it ? Is there a component, a service to buy, or do i have to configure it through SSH ?

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Plesk 11.x / Linux :: Spamassassin For Relay Mails?

Oct 1, 2013

We are using Plesk 11.5 with postfix MTA. Spamassassin is working fine for incoming mails and leaves outbound mails unchecked - as it should.

Now there is one of my domains whose mails are relayed to another server (using postfix transport tab; mail support for this domain is disabled in plesk). For the moment, these mails arrive without beeing checked and marked by spamassassin. How could I change this? I have tried to register an additional mail-handler like

/usr/local/psa/admin/sbin/mail_handlers_control --add --priority=10 --executable=/usr/local/psa/handlers/hooks/spam --name=spam --enabled --queue=before-remote --type=recipient-domain --dont-preserve-on-restore --context=text

but this didn't have any effect so far.

If there is a direct way to enable spam-control for relay domains, Otherwise I could still access spamassassin via postfix' config-files, but how to use two different implementation of spamassassin at the same time.

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Plesk 11.x / Linux :: Clear SpamAssassin Database?

Sep 19, 2014

The SpamAssassin bayes database has become ineffective on one of our servers and we want to wipe it and start fresh - how to do this on Plesk 11.5.30?

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Plesk 12.x / Linux :: Spamassassin Bayes Not Working

Jun 15, 2015

It seems that SA is not using bayes on the incoming messages. How to get bayes to work?

I have trained with plenty of ham and spam. Where are the db files for global bayes located?

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Plesk 11.x / Linux :: Update The Rules Within Spamassassin?

May 18, 2014

I am running Plesk 11.5.30 Update #44, Postfix 2.8.14 and Spamassassin 3.3.1 on a Red Hat Enterprise Linux Server 6.5 server. I am looking to update the rules within Spamassassin. I have had a bit of a look and see that a crontab has been created but its a bash script with a comment saying it has been disabled by psa-spamassassin package (/etc/cron.d/sa-update).


# This task was disabled by psa-spamassassin package
exit 0

Is there a reason why it has been disabled by Plesk? If I update the rules, will it break something?

I have recently added into Postfix RBLs to reduce the amount of SPAM my customers is getting and this is my next step in a list of things that I would like to change.

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Improve Performance- Web Server, SSH Server, And Mail Server

May 8, 2007

I've got a VPS which is serving as the main server for a number of sites. Web Server, SSH Server, and Mail Server.

What I've got running:

Apache2, PHP5, MySQL5, Dovecot, Postfix

One of the sites is a growing forum with a MASSIVE photo album. This is the site where I notice the most slowness.

Changing the server software is not an option - Only optimization.


Originally Posted by httpd.conf

ServerTokens OS
ServerRoot "/etc/httpd"
PidFile run/
Timeout 300
KeepAlive Off
MaxKeepAliveRequests 100
KeepAliveTimeout 5
<IfModule prefork.c>
StartServers 8
MinSpareServers 8
MaxSpareServers 13
ServerLimit 256
MaxClients 256
MaxRequestsPerChild 50
<IfModule worker.c>
StartServers 2
MaxClients 150
MinSpareThreads 25
MaxSpareThreads 75
ThreadsPerChild 25
MaxRequestsPerChild 0
Listen 80
LoadModule auth_basic_module modules/
LoadModule auth_digest_module modules/
LoadModule authn_file_module modules/
LoadModule authn_alias_module modules/
LoadModule authn_anon_module modules/
LoadModule authn_dbm_module modules/
LoadModule authn_default_module modules/
LoadModule authz_host_module modules/
LoadModule authz_user_module modules/
LoadModule authz_owner_module modules/
LoadModule authz_groupfile_module modules/
LoadModule authz_dbm_module modules/
LoadModule authz_default_module modules/
LoadModule ldap_module modules/
LoadModule authnz_ldap_module modules/
LoadModule include_module modules/
LoadModule log_config_module modules/
LoadModule logio_module modules/
LoadModule env_module modules/
LoadModule ext_filter_module modules/
LoadModule mime_magic_module modules/
LoadModule expires_module modules/
LoadModule deflate_module modules/
LoadModule headers_module modules/
LoadModule usertrack_module modules/
LoadModule setenvif_module modules/
LoadModule mime_module modules/
LoadModule dav_module modules/
LoadModule status_module modules/
LoadModule autoindex_module modules/
LoadModule info_module modules/
LoadModule dav_fs_module modules/
LoadModule vhost_alias_module modules/
LoadModule negotiation_module modules/
LoadModule dir_module modules/
LoadModule actions_module modules/
LoadModule speling_module modules/
LoadModule userdir_module modules/
LoadModule alias_module modules/
LoadModule rewrite_module modules/
LoadModule proxy_module modules/
LoadModule proxy_balancer_module modules/
LoadModule proxy_ftp_module modules/
LoadModule proxy_http_module modules/
LoadModule proxy_connect_module modules/
LoadModule cache_module modules/
LoadModule suexec_module modules/
LoadModule disk_cache_module modules/
LoadModule file_cache_module modules/
LoadModule mem_cache_module modules/
LoadModule cgi_module modules/
Include conf.d/*.conf
User apache
Group apache


Originally Posted by my.cnf

# Default to using old password format for compatibility with mysql 3.x
# clients (those using the mysqlclient10 compatibility package).



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Plesk 12.x / Linux :: Unable To Start Spamassassin On Server

May 23, 2015

I noticed that my spamassassin wasn't running on my server. so I restarted the service from the plesk panel but got the following message:

Error: Unable to make action: Unable to manage service by spammng: spamassassin: unrecognized service
ERROR:spammng:Unable to start SpamAssassin service
('--start', 'spamassassin')

So I SSH'ed into my machine and saw that spamassassin wasn't running.

The I reinstalled spamassassin from the "add and remove product components", but that didn't change anything. Still the same error.

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Plesk 12.x / Linux :: Spamassassin Installation Error - Ubuntu 14.04

Mar 2, 2015

Installing Plesk Panel with Spamassassin on Ubuntu 14.04 LTS gives a significant error:

Restarting SpamAssassin Mail Filter Daemon: No /usr/bin/perl found running; none killed.
server socket setup failed, retry 1: spamd: could not create IO::Socket::INET6 socket on [::1]:783: Cannot assign requested address
server socket setup failed, retry 2: spamd: could not create IO::Socket::INET6 socket on []:783: Address already in use

server socket setup failed, retry 9: spamd: could not create IO::Socket::INET6 socket on []:783: Address already in use
spamd: could not create IO::Socket::INET6 socket on []:783: Address already in use
invoke-rc.d: initscript spamassassin, action "restart" failed.
dpkg: error processing package sa-compile (--configure):

even though spamassassin (i.e. spamd) is not running. The usual suspects for the before mentioned error, being

a) differences in the name of the PIDFILE variable in /etc/default/spamassassin and /etc/init.d/spamassassin
b) directory and/or file location are not readable/writable

are not causing this specific installation bug. The work-arounds:

1 - not installing spamassassin (not an option)
2 - installing spamassassin and (afterwards)

change /etc/default/spamassassin, add the option "-4" to the line OPTIONS, resulting in the line: OPTIONS="--nouser-config -4 --username=popuser --daemonize --helper-home-dir=/var/qmail --virtual-config-dir=/var/qmail/mailnames/%d/%l/.spamassassin --create-prefs --max-children=5"
run plesk-installer or autoinstaller again ..Work-around 2 works fine, after reinstallation the /etc/default/spamassassin is as it should be (note that the added "-4" is not present anymore).

The before mentioned work-around suggests some error in the installation process, very likely to be an issue with the chronological order of installation of the various components. In theory, it can be excluded that this bug/issue is caused by psa-spamassassin and/or spamassassin (version 3.3.x) packages, even though some current spamassassin bugs are known: URL....I sincerely hope that Parallels Team can investigate and patch both of the bugs/issues.

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Plesk 12.x / Linux :: Spamassassin Errors - Unable To Find User

May 24, 2015

I just migrated a bunch of domains from plesk 11.5. Everything appears to be working well however when examining the maillog, I am seeing some strange errors... In this example, the message was delivered and had the spamassassin stuff in the header.

spamd: handle_user unable to find user: ''

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Plesk 11.x / Linux :: Spamassassin Is Not Used For Domains In Postfix Transport Maps

Jun 5, 2014

I have one specific domain being to another SMTP server via Postfix transport_maps.

This works great, apart from Spam check not working anymore, Spamassassin is not being called for the domain.

Is there any configuration to have Spamassassin check email before it is routed via transport_maps?

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Plesk 11.x / Linux :: When Using Move To Folder Option - Spamassassin Is Not Adding Headers

Jun 19, 2014

When I set up spamassassin to store spam in the spam folder of my mailbox, it doesn't add any X-Sapm headers nor tags the subject. All I found so far was an old thread where a plesk employee stated that it will be fixed in 'a' future version.

I am on 11.5.30 Update #47.

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Plesk 11.x / Linux :: Retrieve Spamassassin Spam Folder From Email Client

Jun 12, 2014

The Plesk panel indicates that the Spam folder can be retrieved using an email client. We are using Outlook 2013 and can not figure out a way to make this happen. We can see the Spam folder using Webmail, but the contents never shows up in Outlook...

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Plesk 11.x / Linux :: Shutdown Completely Spamassassin Service And Mailbox Statistic?

Sep 30, 2014

I'm suffer 2 major problem as below :

how to turn off spamassassin completely ?

I've already stop the spamassassin service on Services Management but it's only valid one day. The next day, spam assassin service automatically start

my customer mailbox statistic wrong. Even if their mailbox not full but when they send email. The quota said that their mailbox full. So they can't send/receive email.

Our action :
Manually, use command
/usr/local/psa/bin/sw-engine-pleskrun /usr/local/psa/admin/plib/DailyMaintainance/script.php -f execute-statistics

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Plesk 12.x / Linux :: FTP Performance Unusable With Firewall

Dec 17, 2014

I have these problems since version 11.5. Now I have installed version 12 on centos . FTP works fine and is super fast and speedy until i enable PLEK FIREWALL, I also tried to add passive port range 60000-65534 to Plesk Firewall rules.

But nothing works.

It takes like 10 times longer to Login + List Files + Make changes using FTP. We applying changes via FTp and its very slow. We can use plesk file manager but its very inconvenient way for quick file uploads and changes.

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Plesk 12.x / Linux :: SpamAssassin Setup Default Value From Server Level To Specific Mailbox

Jun 17, 2014

When I create Mailbox for customer, spamassassin have status (default):

Status false
The score that a message must
receive to qualify as spam
What to do with spam mail move
Add the following text to the true
beginning of subject of each
message recognized as spam
Modify spam mail subject text ***SPAM***

Black list
Server-wide black list:

User's black list:

White list
Server-wide white list:

User's white list:

But i want it:


Status false
The score that a message must 7
receive to qualify as spam
What to do with spam mail text
Add the following text to the true
beginning of subject of each
message recognized as spam
Modify spam mail subject text ***SPAM***

Black list
Server-wide black list:

User's black list:

White list
Server-wide white list:

User's white list:

Not Move, it only text at "What to do with spam mail text"

How i can do it ?

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SpamAssassin - Deleting Files From /home/user/.spamassassin

Jun 25, 2009

I need to clean up the .spamassassin directory for all the accounts on the server. The Bayes files are getting too big and causing mail handling issues.

How would I do that?

I assume this won't work - and don't want to try it until I hear a little feedback:

rm -f /home/*/.spamassassin/*bayes*

Basically, I need a command that will do what the above command looks like it would do - I just don't think the wildcards will work in that manner, and don't want to try it for fear of deleting items outside of the .spamassassin directory.

I'm running CentOS 5.3.x with cPanel/WHM - if it matters...

And feel free to suggest other spam blocking software - but we've gotten rather good at tweaking SA to get the job done. Just this annoyance of the bayes files growing continuously is a pain sometimes...

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SpamAssassin + Plesk

Feb 23, 2007

can i have your feedback on spamAssassin with plesk.

Is this a good combinations/solution?

It is difficult to manage?

It is difficult to update?

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How To Improve Speeds

Jan 20, 2007

how to tune linux (currently running fedora4) server to improve download speeds for the client. I have observed that if i download from sun it is very fast compared my own server which is hosted on cogent backbone or any other.

Please take into account that both mine and other server both are at relatively same number of hops and ping time. and my server and the carrier has enough bandwidth to fill whole 100mbps, even the client is a server which is on a different backbone which can fill whole 100mbps, also guys i was able to fill whole 100mbps while downloading from sun. but when i download test file from my server it is lagging at 3mbps around. only single thread using wget command. Now what is it i need to do to get my server able to push full pipe even for single thread, ping time is 25ms. if not full at least half. let me know if you have some workaround, and server is apache no load.

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Plesk: DNS Server (BIND) / SpamAssassin [FAILING]

Feb 4, 2007

I've had a VPS for a little over a month now, like with anything I guess hiccups are always apparent. But the VPS does starnge things even when I haven't changed anything...

For example I received an email from Watchdog, and noticed that DNS Server (BIND) and SpamAssassin is lways up and down... Thought people might have an idea as to why? Or if anyone has had these problems before?


[Feb 3, 2007 10:46 PM] 'Plesk SpamAssassin' service started.
[Feb 3, 2007 10:41 PM] 'Plesk SpamAssassin' service stopped.
[Feb 3, 2007 10:11 PM] The 'Plesk Web Server' service was released from monitoring because it failed frequently.
[Feb 3, 2007 10:01 PM] The 'DNS Server (BIND)' service was released from monitoring because it failed frequently.
[Feb 3, 2007 09:46 PM] 'DNS Server (BIND)' service stopped.
[Feb 3, 2007 09:46 PM] 'DNS Server (BIND)' service stopped.
[Feb 3, 2007 09:46 PM] 'Plesk Web Server' service stopped.
[Feb 2, 2007 09:00 PM] The 'Plesk Web Server' service was released from monitoring because it failed frequently.
[Feb 2, 2007 08:50 PM] The 'DNS Server (BIND)' service was released from monitoring because it failed frequently.
[Feb 2, 2007 08:35 PM] 'DNS Server (BIND)' service stopped.
[Feb 2, 2007 08:35 PM] 'DNS Server (BIND)' service stopped.
[Feb 2, 2007 08:35 PM] 'Plesk Web Server' service stopped.
[Feb 2, 2007 07:49 PM] 'Plesk SpamAssassin' service started.
[Feb 2, 2007 07:44 PM] 'Plesk SpamAssassin' service stopped.
[Jan 29, 2007 01:00 AM] Security scanning report is in the file /usr/local/psa/var/modules/watchdog/report/security_2007-01-29.

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Mount Windows Drive In Linux, Bad Performance

Mar 8, 2008

Since my linux server is out of disk space, I just use cifs to mount some drives from the windows server for people to download files (usually 100-200mb/file).

But I found the performance is not good. For example, I need to wait for a long time before the download process begin. Also, it seems the load average of the server becomes high too.

Is there any suggestion? Should I mount the windows drives through cifs? Or should I change to another server which allow me to add more local harddisks? How about if I mount drives in other linux machine, will the performance better?

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How To Improve The IO Speed Of Soft Raid 1

Oct 25, 2009

Recently we ordered a few servers with soft raid1, but seems the soft raid doesn't perform well, copy a 1G file, it takes about 40 seconds.

also sometimes it takes very very long time, I haven't count it, at least a few minutes, just like the server is dead.

I have run this command.
dd if=/dev/zero of=test.bin bs=1000M count=1
1+0 records in
1+0 records out
1048576000 bytes (1.0 GB) copied, 1.14416 seconds, 916 MB/s

But obviously it takes more more than 1 second, why it shows only takes 1 second?

I'm using two ST31000528AS hard disks.

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Internap FCP - How Much Does It Really Improve Network Performace

Jan 13, 2008

I have been reading quite a bit lately about the Internap FCP. I am wondering how much it actually improves network performance and how it compares to BGP4. We currently use BGP4, but are considering using a data center with the Internap FCP for a project for a client.

I am looking for reviews from others who have experience with the Internap FCP and it's performance. How does it compare to a network using BGP4? I know that FCP uses more intelligent routing than BGP, but how big of an improvement does it make?

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Where Do I Start To Improve Mysql Load

Nov 13, 2007

I have a cheap managed server and support is of little help BUT they will do what I tell them, where should I tell them to start to fix high mysql load?

The server currently has a large IPB forum, a large 4images gallery, and a couple popular Wordpress blogs, and this combo keeps taking mysql down.

What can I do server side to help this? And what shouldn't I do?

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What Can I Do To Improve Bandwidth / Uplink Speed Of Server

Oct 4, 2008

As per topic, what is the best method to do to the hardware to improve bandwidth / uplink speed of server?

I have a production server that is used for regular file serving.

P4 3.0Ghz
500GB + 160GB + 160GB hard disk
2Mbps Dedicated + 10Mbps shared.

However, the most I can pulled through the whole server is always between 1.5Mbps - 3Mbps, anyway to pull the speed up to around 10Mbps should there be availability of bandwidth for me to burst?

For any informations, the hard disk is SATA 2.

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JaguarPC Performance VS. LiquidWeb Performance

Jul 13, 2007

I am using dreamhost host 3 of my web sites and 1 blog. Dreamhost is great, offers alot space and bandwidth.

but I think they are oversellling their space, sometimes it gets really slow. (overselling ? ok, I dont really know, but sometimes its really slow, and most my asian readers said need to refresh to load the page. I am wondering if theres a way to check if they are overselling or not.)

I am thinking about buying vps, even tho, I still got 5 month left with dreamhost.

I found 2 vps companies are highly recommanded on this forum, JaguarPC and LiquidWeb.

theres already a post compared both companies in terms of price and service. I say I will pick JagarPc, cuz, its basic plan just 20 USD, and htey got promotion now, its even cheaper. and basic Liquidweb vps plan is 60 bucks.

I am wondering why Jagarpc is so cheap , are they overselling? how can we check if they are overselling.

I found a few posts saying how good jaguarPc is. and they are not overselling, but those members just signed up this month, and only have 1-3 posts. I cannot really trust those new members.

Can someone share their experience with JaguarPC? compare JaguarPc performance and liquidweb performance. antoher question is switch from dreamhost to JaguarPC basic vPS plan, will performance gets better?

last question: VPS account allows 3 IP, 3ip = 3 domains? if not, how many domains can I have?

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Plesk 12.x / Windows :: Slow Website Performance With Perl And Python Installed On IIS

Jan 3, 2015

I noticed that all my client websites were as slow as a snail snot before uninstalling perl and Python.

Is it normal that perl and python components slowing down IIS?

I search online, it is a common scenerio for those two to slow down IIS.

After I uninstalled perl and python as well as awstat, the site are working as fast as before.

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May 19, 2007

I'm running the latest port version on FreeBSD of Postfix, Spamassassin (Razor & Pryzor), ClamAV, and Amavisd-new. I haven't gotten any spam for a while. The 2-3 days including today i've been getting 10+ spams per day. This seemed to happen after the update of spamassasin recently.

Anyone else experiencing this? My rules are pretty quick, at spam-score "5" I reject the mail.

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Jun 23, 2007

I installed SpamAssasin and set it up in DA, I also use Spam Filter option in DirectAdmin (DA).

The problem is that if someone send me an email which contains any adult word in the body and a regular subject then it will not go to the Spam box, but if that email contains any adult word in the subject and no matter the body has adult word or not it will go to Spam box.

How do i send all the emails contain adult word in body to Spam box?

i have Dovecot installed.

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