Plesk: Large Number Of Spam Emails: DNSBL

Oct 23, 2009

running Plesk qmail server. My local mail queue is growing rapidly and very slow dlivery m gettings too many spam emails from outbound. I am using DNSBL server maped but it is out of control. how to protect my box from SPAM.

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Server For Send Large Number Of Emails Per Day?

Jun 7, 2009

server for send large number of emails per day?

What would be the best solution for that?

VPS ? Dedicated ? and Do I need to have Cpanel too?

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Plesk 11.x / Windows :: Large Number Of Domains - Change Vhost Manually

Jul 9, 2014

I have somewhere at 2000 domains.

I need to change path to vhost from W:host to D:vhost

I copied all files from W to D drive and created symbollinks. Now all files stored in D:vhost and symbollincs pointing to W:vhost.

If I will use reconfigurator, will it recopy existing files or just will skip them? Because I have millions files in my vhost dir

Also i thought about change drive letter in windows OS. It wil be enough to just stop IIS service and plesk services for switching disk letter?

Can i just some how say plesk that he should search all vhost files in D:vhost? With out process of copying files,becouse thay already exist there are.

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Ban A Large Number Of IPs

May 30, 2007

I'm currently using iptables to ban IP addresses from the servers, like:

iptables -A INPUT -s -j DROP
I ran a "spam trap" for the last few months and now I have over 11000 IP addresses who were trying to spam on my website (guestbooks, phpBB and forms) and I want to ban them all (pretty sure bots run from them).

My question - is iptables the way to do it? I mean does banning such a large number of addresses have any significant performance or other issues I should be aware of (except of the fact I may be banning some legitimate traffic)? Is the -A INPUT the way to ban them all or is there a more appropriate way of baning such a number of addresses?

I'm on CentOS 4.5 i686, Apache/1.3.37, Pentium D 930, 2GB RAM.

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Plesk 12.x / Linux :: Whitelist IP With DNSBL?

Jan 23, 2015

How can we whitelist IP with DNSBL?

We use ";" DNSBL but a partner server is blacklisted with spamhaus. The problem must be resolved but can we whitelist IP in the DNSBL field?

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Daily Backup + Rsync Ssh + Large Number Of Files

Oct 29, 2006

i just wana know is it safe to do remote daily backup for about 70,000 files?

file sizes is about 200kb and every day i have about 1000 new file, so rsync first should check old files becouse i am deleting about 30-50 of them daily and them backup new 1000 files ,
so how much it will take every time to compare that 70,000 files?

i have 2 option now:

1-using second hdd and raid 1
2-using rsync and backuping to my second server , so i can save about $70 each month.

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How Do You Detect And Block Ddos Or Large Number Of Connection

Nov 7, 2008

sometimes, some people may try to guess the password of ssh,whm,ftp,...etc,

or any ddos attack,

do you only use iptables to place this problem?

or do you install any other scripts to secure your server?

my serve is centso.

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Plesk 12.x / Linux :: All Emails Marked As Spam?

Apr 2, 2015

I am dealing with a situation which i cannot understand. I am running an website for a resort and occasionally i am sending e-mail stop the people who book villas using the website. By occasionally i mean last year i sent 2 e-mail campaigns with a proper spam score.

However, at this moment, even the e-mails that i receive from the website's contact form arrive as Junk into Gmail for example.

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Plesk 12.x / Linux :: Postfix - Outgoing Emails Getting Spam

Oct 21, 2014

I have a hard problem with my VPS. I have postfix as mail server on plesk 12 under ubuntu 12.

I dont know why the outgoing mails of all my domains in my servers are getting spam in servers like gmail, yahoo, hotmail...

I'm using mxtoolbox to fix errors and warnings and finally fixed all of them, but my mails are still outgoing to spam.

In mxtoolbox actually I have no mail server errors / warning, u can see it with, for example, this one of my domains: [URL] ....


This message is an automatic response from Port25's authentication verifier service at The service allows email senders to perform a simple check of various sender authentication mechanisms. It is provided free of charge, in the hope that it is useful to the email community.

[Code] ....

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Plesk 12.x / Linux :: DKIM Not Available / Marking All Emails As Spam

Dec 22, 2014

So, I have been searching everywhere online and have not come to a fully working conclusion with the issue regarding outgoing emails going to spam via gmail, hotmail, etc.Domain keys are activated, but it seems that domain keys is deprecated, making it useless when it comes to spam detection for email servers such as google, aol, etc.

The only alternative found was here: URL.....But that means that every customers DKIM will have to be created manually via command line. This would be a mission when having over 500+ ongoing customers signing up.Will you guys be implementing DKIM automation for Plesk? I am pretty much against trying to use c(p)anel + Centos and just love Plesk. So I prefer Plesk any day..

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Plesk 12.x / Linux :: Unable To Add More Than 100 Emails On Blacklist (spam)

Jul 29, 2014

Unable to add more than 100 emails on balck list [solved]

i am unable to add to add more emails on blacklist of server spam control

see the print

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Plesk 11.x / Linux :: Emails Mark As Spam From Gmail

Aug 7, 2013

I have tried to send emails to gmail from horde and form php but the are mark as spam even if the gmail headers are ok:

Received: by with SMTP id lj9csp202933lbc;
Wed, 7 Aug 2013 05:58:22 -0700 (PDT)
X-Received: by with SMTP id x9mr2966600eeu.103.1375880301851;
Wed, 07 Aug 2013 05:58:21 -0700 (PDT)
Return-Path: <>

[Code] ....

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Limit The Number Of Emails Sent From Qmail

Sep 14, 2007

I have a VPS based on Hypervm+Lxadmin.

I want to limit each user to maximum 20 mails per hour. Is this possible? If yes, how do I do it?

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CPanel - How To Throttle/limit Number Of Emails Sent Via Script

Mar 30, 2008

cPanel server with EXIM.

Seems the standard feature there - number of emails per hour limit is not working in this case of script emailing.

Any way to limit the number of emails sent via .php scripts or/and throttle this emailing speed cause in the case of spamer the server load hit the roof.

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Qmail With Large Amounts Of BCC Recipients Receiving 20 Times The Emails

Jan 5, 2007

Everything on our Qmail installation is working fantastic except for one thing (most of the qmail patches are installed from [url]:

If a user sends an email to several recipients, often times, all users of the list will receive several copies (10 times or more) of the email.

So far I think the situation is that a user sends a weekly update (sort of mini mailing list to 20 users or so) by just adding them as BCC in their outlook.
Then I think one of the 20 emails bounces or throws back a deferral, and then qmail resends the email many many more times not only to the bounced recipient (but also to the entire list of recipients in the BCC)

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Gnax IP Address Range On Dnsbl-3

Mar 30, 2009

Some of our client emails are being blocked and it appears that the whole GNAX range of more than 103680 IP addresses was blocked.


As you should know now: It is not you, it is your complete provider which got UCEPROTECT-Level 3 listed.

Your IP was NOT part of a spamrun, but you are the one that has freely chosen your provider.

By tolerating or ignoring that your provider doesn't care about spammers you are indirectly also supporting the global spam with your money.
Seen from this point of view, you really shouldn't wonder about the consequences.

What I want to know is how often do it happens that a datacenter have all it's IP addresses being blocked?

I contacted Gnax about this but their response was merely that they will take steps and the whole range will eventually be delisted. (Obviously the immediate removal fee of $200 something is too much for them)

Ironically merely a few hours AFTER I contacted them I got a "warning" about spam send from one of our clients.

The date of the email was a few weeks AGO and We already long ago warned our LEGIMATE client that such emails are not allowed and the account will be terminated if it happens again. (In other words WE immediately acted against potential spam while Gnax not and then have the nerve to warn US after WE informed them of the blacklisting)

On the one hand I understand that it can be difficult for a very large provider and seems a bit harse to block ALL IP addresses due to 0.238 % spam ip addresses.

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Emails Spam

Jun 25, 2009

im getting 50 and more spam mails each day, how do i secure my vps to stop 99% of the spam from coming in as i understand theres no way to completely block spams.

Im using directadmin control panel and enabled SpamAssasain but its not much of use even when i apply strict options on it.

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All Emails End Up In Spam, Any ISP

May 9, 2008

Got this strange issue here. Comcast customers cannot receive any emails sent from my server. With the others, most of the emails are being sent to a spam folder instead of inbox.

Serve is Centos 5 / Cpanel

I confirmed IP has proper reverse dns and is not blaclisted. I also setup SPF as well.

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Get Rid Of Spam Emails

Apr 29, 2008

I am using couple of emails on my domain since 3 years. I am having a big amount of spam emails. If I use SpamAssassin™ in the Cpanel it will miss sometimes hotmail, yahoo emails etc.. If I disable it, I will continue receiving those spam emails. However, some of my clients uses free emails like hotmail and yahoo.

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Yahoo : Spam Emails ?

Sep 18, 2006

Some of my emails send to the clients who are using Yahoo's email is stored in their " Bulk " folder, so Yahoo is considering my email as spamer althought i'm not. So do you know how can i fix it ? Do i need to contat Yahoo about this matter ?

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Catching Spam Emails

Jul 25, 2009

We use some spam blockers that come with cPanel but sometimes it feels like it isn't enough to block out all spam coming in and going out of the server. Anyone here have any experience with any other third party softwares that may be able to stop emails in its track basing it on the content of the email itself?

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Jul 27, 2008

I would like to offer some good advice to people who Host thier sites with Hostgator or any other Webhosts who provide Cpanel. Please Check your "Mail" feature.

I just check all of my sites Mail in the Mail section.

All of my sites do not have webmail set up, but I was surprised to find tens of thousans of spam mails and I dont even have any email accounts set up!

This was causing me to get 'iNode" warnings that my account would be soon suspended and I should upgrade my site to Dedicated Hosting, something I cannot afford!
Go to [url]

1. Click on Mail
2. Click on Webmail
3. Click on Horde
4. Login
5. Click on Mail

SURPRISE! Do you too have thousands of Spams ... even if you dont even have an email account set up?

If you folder is full of thousands of Spams then do this...

6. Click on Folders
7. Tick Inbox
8. Choose Empy Folders from the Drop Down box above
9. Click Empty Selected Folders
10. Do this regularly before you get an email from Hostgator like this:


WARNING: comscout: 63970 inodes

Server: gator85
User: xxxxx
Email: xxxxx(Owner)
iNodes: 63970 (warning)

Date: Sun Jul 27 00:22:59 CDT 2008
Email: xxxx
Account Name: xxxxx
iNodes (Files): 63970/50,000 (127.00%)


To maintain the highest level of performance on our shared servers we have a maximum inode (file) limit of 50,000 inodes (files) per account. The size of the file does not matter, only the number of files. For example, a DVD image (say, 4.5gb) only counts as one inode, or file. Our limit, as outlined in our terms of service, is 50,000 files per account. We generally don't hold people strictly to this limit, but at the same time we expect our users to respect the limits of the system. When an account has hundreds of thousands of files, it significantly degrades overall disk performance, as each file on the disk must be tracked/indexed.

An easy analogy would be a table of contents or glossary for a book. If the book only has a few hundred pages, the index or glossary is likely to be small and easy to search. If the book has 5,000 pages, finding what you want might take significantly longer. The file system on a server works in a similar way, just on a larger scale. Our experience has shown that 50,000 files per account is a fair number, and accounts that exceed that by a significant amount cause disk performance issues. This message is to inform you that the listed account has significantly exceeded our limits for disk inodes/files and could potentially lead to disk issues.

It is also important to realize that accounts that exceed the inode (file) limit are not backed up by our courtesy weekly backup service, per section 7b of our Terms of Service. Of course, we advise every user to run their own backups to be safe. Accounts over our the 50,000 inode limit are bypassed so that backups can complete in a timely fashion for everyone. Otherwise, accounts with hundreds of thousands or more inodes will utilize more server resources than other accounts, and could lead to file system errors on our backup servers.

This account will be re-checked again in 7 days to verify it is below 50,000 files. If this account remains above the maximum inode limit after repeated checks, we'll have to review the situation further and advise a course of action. It is critical that one of the following actions take place before that happens:

a) reduce the number of inodes/files. This change must be permanent; if you have a high number of cache files or similar, and you expect them to naturally exceed the inode limit again in the future, the configuration must be changed to limit the total number of cached files.

If you are completely unaware of the source of the inodes, it may be that you have left your default mailbox enabled, and never cleared it. Over time, it can fill up with spam, consuming hundreds of thousands of inodes. If you have a catch-all enabled on your account, this can greatly increase the amount of mail/spam that our account receives and will raise your inode usage quickly unless routinely emptied. If you would like assistance clearing these folders from unwanted email or removing the catch-all from your account, please let us know and we would be happy to assist you.

The default mailbox is located at:


b) upgrade to dedicated service, where inode counts are no longer checked. In many cases, accounts that significantly exceed our inode/file limits have simply outgrown the shared environment, and a dedicated server is the logical choice. In many cases, the transfer from a shared to dedicated server will incur no charge. In rare situations, accounts with excessive numbers of accounts or users may require a fee; the transfer department would advise you of that fact prior to the transfer taking place. If you've read this far, it's clear you're serious about taking care of the issue and we can offer you 50% off off the first month's purchase of a dedicated server. To receive the discount, please:

- Reply to this email stating you'd like to upgrade. You will
automatically be assigned a ticket number, which will be
visible in the subject line. You may need to confirm your
email if this is the first time you've ever sent us a
ticket or emailed one of our departments.

- Order a dedicated server:

- Email after placing your order. This
promotion is unadvertised, and must be manually approved.
You must reference the ticket # you receive (above) to
qualify for the discounted rate. This promotion only
applies to dedicated servers priced $ 219.00 or higher.

We thank you for taking the time to resolve this issue. If you have any questions or perhaps you are not sure what could be causing the high number of inodes, we can help you with that. Simply reply to this email and we will be more than happy to assist you.

As soon as I deleted all of my emails, guess what .... I already have 4 Spam emails, that is very quick!

I have 4 main sites with hostgator and this how much emails I have without knowing:

Site 1: 27,237 Spam Emails
Site 2: 43,438 Spam Emails
Site 3: 7,398 Spam Emails
Site 4: 63,972 Spam Emails

This is who one Spam was from:


So the spammers send the emails to and so forth!

That is crap! Surely they can fix it, as I say, I dont even have a email account in my Cpanel!

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100's Of Spam Emails Per Hour

Jan 6, 2008

I'm getting literally about 100 of these per hour easy in whm > mail queue! Where is it coming from and how do I stop this?

mailnull 47 12
1199600103 0
-ident mailnull
-received_protocol local
-body_linecount 33
-max_received_linelength 115

154P Received: from mailnull by with local (Exim 4.68)
id 1JBOml-0008CW-Fz
for; Sun, 06 Jan 2008 00:15:03 -0600
038 X-Failed-Recipients:
029 Auto-Submitted: auto-replied
063F From: Mail Delivery System <>
029T To:
059 Subject: Mail delivery failed: returning message to sender
052I Message-Id: <>
038 Date: Sun, 06 Jan 2008 00:15:03 -0600

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:
SMTP error from remote mail server after RCPT TO:<>:
host []: 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)

------ This is a copy of the message, including all the headers. ------

Return-path: <>
Received: from root by with local (Exim 4.68)
(envelope-from <>)
id 1JBOmk-0008CJ-To
for; Sun, 06 Jan 2008 00:15:02 -0600
Subject: Services(2) failed
Message-Id: <>
Date: Sun, 06 Jan 2008 00:15:02 -0600

Following services are down:


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Spam Emails Being Sent From Server

Nov 25, 2008

I have reason to believe that a site on my server was hacked and is now being used to send out spam emails.

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Emails Going To SPAM Folders

May 15, 2008

I can send e-mails out but many times they go directly to the recipient's SPAM box.

Also, my server cannot send to any company e-mail that uses's services.

Going to [url]<--My server IP is on ZERO blacklists.

/etc/resolv.conf appears correct
/etc/hosts also appears correct

Is there something that I am overlooking?

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Feb 12, 2007

how not to get recognized as spam, when I send an email from my company's website (@pulsion dot ca), it gets to the spam folder of my custommers.

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Feb 7, 2007

how I know if my email will pass if I send it to a custommer, I don't want SPAM lost mails

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