Unsolicited e-mail, comments or posts, often sent out in large volumes; possibly but not necessarily commercial in nature

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1answer
284 views

sieve in dovecot is not filtering spam message

In Centos 6.4 i use postfix with LDA Dovecot and webmail squiremail, amavis-new with spamassassin. Spam is marked with subject Spam. I want in my squirelmail to filter spam messages an move in to ...
0
votes
1answer
310 views

plesk qmail spamassassin scan outbound email

We have a dedicated server running Plesk 9.5.4 (yes I know that's old) with Qmail as the MTA and Spamassassin and Spamdyke installed. Spamdyke works a treat for blocking inbound mail based on rDNS ...
0
votes
0answers
32 views

On multiple spamming-blacklists after desinfecting network computers

We are currently listed on a couple of spam-blacklists since last week. I have taken the following approach to prevent this from reoccurring: scan every (windows)-device in the building using ...
0
votes
1answer
380 views

How to Isolate source of spam on Centos 6.3 Plesk 11 server

Been spammed and the header is showing: X-No-Relay not in my network X-No-Relay not in my network X-No-Relay not in my network X-No-Relay not in my network X-No-Relay not in my network Received ...
0
votes
3answers
68 views

Windows Server 2003 used as a Spam Relay

We have a server running Windows Server 2003 and Matrix Control panel. We are continually used to relay spam, which fills the badmail folder and gets us blacklisted. The bad mail folder filled the c: ...
1
vote
3answers
199 views

How to prevent Linux server from spamming?

I installed mail scanner for spam protection, but is there any script for Linux to notify me or email me that some one spaming on my server ?
2
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1answer
415 views

Exchange Server 2010 Relaying Spam

Recently I began receiving AOL spam feedback reports from our exchange server. As I investigated I found that hundreds of spam messages were being relayed through our exchange server. Although I am ...
-3
votes
3answers
82 views

identifying emailids that flagged your email as spam

We send out emails to many people who may be interested selling old books. Some people ask us to remove them from our lists and we comply gladly. But some others simply flag our messages as spam. We ...
1
vote
1answer
26 views

Spamhouse PBL and smtp auth - LAN

Have next setup: I understand than the communication between email-clients and my email-server over the internet must use SMTP-AUTH. Otherwise, my mailserver can get into Spamhouse PBL database. ...
2
votes
2answers
377 views

How to make sendmail accept connections from localhost only

I need to secure the server by making sendmail-mta accept only local connections (from localhost), so that any external (potential spam) connections are denied. I use Debian 7.0 currently.
0
votes
0answers
170 views

DKIM SPF passes but mail goes to Spam Received: (from abc@localhost)

I am facing an issue with the DKIM setup. We are sending newsletters which are going to spam in gmail. The dkim & spf passes. Even the reverse dns is setup properly. Below is a copy of mail ...
2
votes
0answers
183 views

How to identify the user/computer that is relaying spam through a mail server?

For the past couple of days, at certain intervals, a huge load of email is dumped on my Exchange 2003 server and relayed out until it gets blacklisted everywhere. Nothing like this happened for many ...
25
votes
7answers
3k views

Why is it a bad idea to use a customer email as the from address

I've got an application that emails users once they have filled in a form. It uses a no-reply@customerdomain.com as a from address. The customer wants it to use the email from the form as the from ...
0
votes
1answer
246 views

In Heroku's add-on of Sendgrid, how come I don't have to enter TXT fieldn in my DNS records?

When I used Amazon SES, I had to put TXT records in my DNS so that Yahoo/Gmail knows that the server is allowed to send from my domain name. However, when I signed up for Heroku and Sendgrid Add-on ...
0
votes
1answer
305 views

dkim-milter appears not to be signing my emails correctly in VirtualMin

I have a VPS that I had a fresh install of CentOS 6 on it and then I installed virtualmin on it and we've been great for a few months. I've been hosting a handful of domains from there and on one of ...
0
votes
2answers
83 views

Do email spam detection block domains?

Does email (like gmail, yahoo, hotmail) providers block domains? Or do they mainly block IP addresses? I'm wondering...what if people use my domain to spam others? Then it would be unfair to me ...
0
votes
0answers
165 views

Server is being used to send spam email via sendmail

When I run sudo tail -f /var/log/mail.log I can see a number of 'live' entries appearing such as Jun 6 00:40:03 ks393391 sm-msp-queue[2641]: r55MV0l1001642: to=ledbpw@gmail.com, ctladdr=www-data ...
1
vote
1answer
56 views

Advertise NO-SOLICITING (RFC3865)

Does it bring anything to specify the Solicitation class keywords in Advertise NO-SOLICITING as per RFC-3865? For instance: dom.spammer:ADLT,dom.listing:ADV
0
votes
1answer
128 views

Spam sent from fake email accounts on my domain [duplicate]

One of my clients is getting thousands of "Delivery Status Notification (Failure)" emails per day and it's replied to random email accounts that don't exist on the domain. The content of the emails ...
-1
votes
1answer
37 views

SpamAssassin: Spending responsability for user blocks

Currently 99% of my clients have their sites on hosts that use CPanel. In CPanel, there is available tool SpamAssassin (spam filter), where I manage the blocks of my clients, adding addresses to the ...
1
vote
0answers
59 views

How can I prevent my messages from being marked as spam by Gmail? [duplicate]

I'm working on a PHP application. Swift Mailer is used to send messages to clients. Messages are personal (like appointment confirmations with specific dates/times for the receiver), so we're not ...
1
vote
1answer
57 views

Email rejected as spam goes through on a reply [duplicate]

Having some problems with mail messages which are rejected as spam when sent directly to a user at a certain company address but if that users sends us a message and we reply, it is accepted. If I ...
0
votes
1answer
127 views

receiving phishing/spam from known address names and localhost

We are using SmarterMail 11.2 and are receiving spam from senders in our address book (name only, different email). In the header i see "Received: from localhost" and other suspicious things. In the ...
0
votes
1answer
124 views

Dovecot Forward Spam

I was wondering if anyone had any knowledge on how this idea can be done. It's not a requirement but more of an idea I came up with that I don't know how to word my google searches to find out if it's ...
2
votes
1answer
141 views

Iptables rules order

I have following script, which I found somewhere in the Internet, and I modified it a little bit to suit my needs. My question is: If I understood output of iptables-save my iptables rules are ...
0
votes
2answers
370 views

SPF, DKIM, PTR & friends Passed, but postfix mail goes into spam How to Fix it? [duplicate]

I recently setup an email server with static IP address, (Ubuntu 12.04 & Postfix); Everyting looks OK, I did te test@allaboutspam.com test and everything passes in green (except for BATV format ...
1
vote
3answers
820 views

Mail spam sending script injected

I apologize if this is already asked a million times. One of accounts on my server got hacked. An email spam sending script is injected and sending ton of emails to some random addresses. I have ...
1
vote
1answer
280 views

how to block network level mail spammer?

Here is the packet capture of how the attacker is coming to my server and generating Huge amount of spam, i am not able to block it by any means. 220 mta1497.mail.ne1.yahoo.com ESMTP YSmtpProxy ...
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votes
1answer
116 views

Setup Exim on cPanel to only send FROM authorized addresses for php

I run a cPanel host for my web clients, It has exim set as it's mail server. I have many clients running CMS'(mostly old joomla 1.5 which is nolonger maintained for security) that keep getting hacked ...
0
votes
1answer
340 views

amavis doesn't quarantine all spam mails

I'm trying to create a special mail account to collect all incoming spam with the purpose to later on be able to train the SA more easily for the whole domain. We're using Zimbra, but as far as I ...
0
votes
1answer
466 views

Gmail marks email from my server as spam [duplicate]

I'm configuring a new mail server, but have trouble with the e-mail: gmail marks it as spam. I've checked all the obvious things (SPF, DKIM, Reverse DNS, IP adress blacklisted or known spammer). OS is ...
0
votes
2answers
1k views

Server compromised. Bounce message contains many email addresses message was not sent to

This is not a dupe. Please read and understand the issue before marking this as a duplicate question that has been answered already. Several customers are reporting bounce messages like the one ...
1
vote
2answers
462 views

Configuring Postfix, Spamassassin and Procmail to put spam in a dedicated folder

I'm not sure if SF is the good place for that, so sorry if it's not the case. I'm administrating a Debian server for our company's emails and I'm trying to have the emails flagged as spam by ...
0
votes
0answers
111 views

Return-Path showing spam coming from my domain?

So I just logged into an old email address to see a ton of similar messages like the one below: To: "oliver@example.com" <oliver@example.com> Content-Transfer-Encoding: 7bit Mime-Version: 1.0 ...
2
votes
0answers
431 views

Postfix server begins send spam immediately after starting

I've installed a postfix server on a debian os & also I've installed apache 2.0 with php on same machine Several days ago my server begun to send a lot of spam messages via postfix. I understood ...
1
vote
2answers
620 views

How to detect and prevent postfix from dishing out spam email from compromised mail account

We host email and websites for numerous customers on a dedicated server running CentOS and configured through Virtualmin. Email is handled through Postfix. Over the weekend we noticed that a clients ...
0
votes
0answers
257 views

EXIM4 sent mail sometimes rejected, always put in spam. DKIM and SPF pass + reverse DNS

Recently I've been seeing some instances of Your access to this mail system has been rejected due to the sending MTA's poor reputation. in my maillog and have noticed that my emails have been getting ...
1
vote
1answer
83 views

Mail From Outlook/Exchange Sent to Destination Spam

I have a unique problem and I am hoping someone may have some direction to provide me. We have a Windows environment with an Exchange 2007 Server. For some reason when a user sends an email from ...
0
votes
1answer
216 views

Emails from server going to junk/spam in Outlook and Gmail [duplicate]

Althought I have setup my rDNS correctly and have SPF and DomainKeys setup on my cPanel server I'm still getting all emails sent from our mailserver to spam, unless the domain is whitelisted by the ...
1
vote
1answer
306 views

How to find which local process is sending spam on a Windows Server 2008 server

I am managing a Win Server 2008 system with a number of hosted web sites. Recently I found that something was sending spam through our SMTP server. The logs indicate that the connections were being ...
0
votes
2answers
102 views

Spam originating from my account, SPF records did nothing?

Recently I have been receiving emails that apparently originate from my account about Russian hackers, I've set up an SPF record to try and stop this but it has made no difference and I have updated ...
1
vote
0answers
327 views

php mail + postfix with multiple domains send from right domain?

i followed this tutorial to set up Postfix+Dovecot+postfixadmin on Ubuntu: http://www.exratione.com/2012/05/a-mailserver-on-ubuntu-1204-postfix-dovecot-mysql/ I want to send emails from multiple ...
3
votes
1answer
76 views

Avoid spammers who download content for the sake of using bandwidth

My company has a product which is downloadable through our website. Since day one, we've been continuously spammed by bots trying to download a little bit of content all the time (usually 4 MB out of ...
0
votes
1answer
824 views

Sendmail Spamming Recipient

I am using a perl script to send daily status to my gmail account. For some reason, sendmail seems to be spamming gmail although I am only sending one email Gmail is complaining about a failed ...
0
votes
1answer
261 views

Our outgoing emails from a shared hosting provider (Bluehost) are returned because the server is listed as SPAM SERVERS

I am getting very frustrated with this web hosting provider -- Bluehost.com. We have several small business sites hosted with them. We also use email accounts provided by the Bluehost for our outgoing ...
0
votes
1answer
644 views

How to re-create Qmail queue

Qmail has 500 00 messages in queue and I installed qmHandle to help sort out the spam in the queue. This process has taken a long time and alternative scripts like qmail-remove also take time. I want ...
3
votes
3answers
1k views

Send spam mail to a special folder using postfix

I have a postfix server running amavis and SpamAssassin to help filter spam. Messages that are detected as spam look like this when delivered into the user's Maildir: From tom@tom-mint Fri Mar 15 ...
0
votes
2answers
2k views

Email does not pass hotmail filter #Update

I have problems sending an email from my server to hotmail it will not pass the junk folder. This is the header from an email send to hotmail: x-store-info:4r51+eLowCe79NzwdU2kR3P+ctWZsO+J ...
1
vote
3answers
760 views

Where can I find a list of IP addresses of hosting providers?

I am attempting to fend off a spam attack against a web api I run and would like to obtain a list of IP addresses of public web hosting providers from which spammers are launching their attacks. I'm ...
0
votes
2answers
235 views

Blocking spam on Ubuntu 12.04

We seem to be having a lot of spam emails in our mail.log file. For example Mar 11 18:23:01 localhost postfix/qmgr[1452]: 87945226BD: removed Mar 11 18:23:01 localhost postfix/smtp[8809]: 87945226BD: ...