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

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2
votes
2answers
53 views

Sending mail from sub-domain on different server from domain getting flagged as spam

Our client owns a server with a domain: website.com We have a server that our client points videos.website.com to. Emails sent from videos.website.com are getting flagged as spam because website.com ...
16
votes
3answers
1k views

Is my new gTLD causing it to get filtered as spam?

I have a domain called "*******.international". I decided to go with the new gTLD because it fits the name of the company pretty well. I have an automated emailer setup to send emails to our clients' ...
0
votes
0answers
17 views

Postfix SMTP mail is sent to SPAM

I have installed postfix mail server in ubuntu machine. I configured the mail server as well as DNS properly. Mails are sent from our mail server properly, but all the mails are listed in the spam ...
2
votes
1answer
203 views

Does the Anti-SPAM filtering in SmarterMail work on the Distribution Lists?

I have a few distribution lists running in "Subscriber Only" mode, meaning that only somebody who is subscribed to the list (or on the Whitelist) can post to the list. Some spammers have discovered ...
1
vote
3answers
113 views

Spam control via email?

My site sends a confirmation email on sign up. There is also a captcha on the signup page. I was thinking... gmail, hotmail and maybe yahoo has captchas on their signup page? In that case should i ...
2
votes
2answers
1k views

How to deal with forum spammers on Invision Power Board (IPB)?

I am administering a public web forum based on Invision Power Board v2.3.6. Registrations are already filtered thanks to ReCaptcha, but I still have loads of people that seems to register manually to ...
1
vote
1answer
39 views

Postfix: For a certain address, only allow emails from a certain domain

I've set up my server so that, in order to track down the source of spam (and block it), the email address that I use to sign up for stuff is service_name@example.com (e.g. for Facebook, it would be ...
-1
votes
0answers
19 views

Google mark my mail from my Sendmail on VPS as spam [duplicate]

I would like to ask you to check my message headers. I'm sending it from CakePHP mail library (it's mail() indeed). I just configure SPF and many email servers (for example yahoo.com and many polish) ...
0
votes
2answers
346 views

Mail from Rackspace virtual host using Google Apps goes to spam

We use Rackspace cloud servers for our applications. Specifically we are running Ubuntu 11.10 and our apps run on a virtual host. We get complaints frequently that our emails (using PHP mail) go ...
0
votes
1answer
338 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
2answers
17 views

Make exim accept mails to be redirected only when they can be sent

I run a small mail server with all the usual functionality: Sending of local mail, receiving mail for local folders, redirecting mail according to alias and a mailing lists. The redirections go to ...
1
vote
1answer
5k views

Exchange 2003 mail non-delivery (NDR), spam activity? events 7002 & 7004

Windows Server 2003 Small Business Server SP2 Exchange Version 6.5 (Build 7638.2: Service Pack 2) This network has been neglected and has been having email problems for years and was on many ...
0
votes
0answers
15 views

Virus sends mails via sendmail [duplicate]

I noticed that my server has some bad software that sends mails via sendmail which couses a very slow working. I scaned server with clamscan but without effect. Is there any way to find out which ...
2
votes
1answer
25 views

Office 365 - Exchange Online - any way to block false URL spam?

I've already asked this with Office 365 support but unfortunately I didn't really get anywhere this time due to the language barrier. They tried to tell me how to block it with a check box on the ...
0
votes
1answer
15 views

No-Listing policy with postfix (ubuntu)

I'm running an experiment on a virtual machine. In the virtual machine I've installed ubuntu and Postfix as a mail server. I followed the guide: https://help.ubuntu.com/community/Postfix , only the ...
0
votes
3answers
51 views

How to allow PHP to send email only if the FROM address is an existing email account on the server

I have a VPS server. on a previous shared server I remember that PHP would only send mail if the FROM address exists on the server as an email account. I need to know how to limit PHP from sending ...
1
vote
4answers
2k views

Prevent spamming [duplicate]

How to prevent spamming in Cpanel / Linux server ?
3
votes
2answers
5k views

Gmail.com detect mail as spam, but the server is not on any BlackList

I have an issue with Google. (GMail to be exact) About 1 month ago, we had a security breach, and mail was relayed through our servers. we got listed in almost ALL Black-Lists :( we fixed the ...
0
votes
2answers
198 views

UCEProtect Level 3 - Emails land in SPAM

I am not sure how i can have remove the IP from UCEPROTECT Level 3. Or a way in which i can send emails without them landing into spam. The IP which i have used has only sent emails to the users ...
1
vote
0answers
14 views

Exchange 2010 still sending NDRs even when disabled

We have 2 Exchange 2010 SP3 Rollup 7 Servers in our organisation. 1 server receives all external SMTP mail. Both servers have AVG Email Server Edition installed and operational. I have disabled ...
5
votes
3answers
466 views

97% of emails reaching IronPort/Domino are Spam

We have a Domino mail server protected by Iron Port (v7.1.5 I think). Iron Port reports an average 96%-97% of emails are stopped by reputation filtering, and around 3% of emails are clean messages. ...
0
votes
0answers
16 views

Centos Qmail Detect source of internal spam

Our server seems to be spamming various other sites on the same server. I have tried various tips provided on this site and others to locate the source. At the moment, I have a script adding a line to ...
0
votes
1answer
88 views

Getting lots of traffic from russia to an unpublished site

I am currently building a website. Currently nobody knows about it but it is already reachable for testing purposes. Now I saw, that I get a lot of traffic from russia (Its a german website hosted on ...
1
vote
2answers
52 views

Postfix & Amavis - Use UNIX Soket for Communication

I currently using a complex mailserver setup using Postfix, Dovecot, Amavis and Spamassassin. Everything works fine but I want to improve the Postfix-Amavis-Communication. At the moment, postfix will ...
0
votes
2answers
1k views

In Exim, is RBL spam rejected prior to being scanned by SpamAssassin?

I've recently been battling spam issues on our mail server. One account in particular was getting hammered with incoming spam. SpamAssassin's memory use is one of our concerns. What I've done is ...
1
vote
1answer
44 views

Block sender after sending to n non-existent email addresses

I have a domain that I use for my email. There are a couple of actual email addresses there, and everything else goes to a catchall. I use the catchall so I can create email addresses on-the-fly, like ...
0
votes
2answers
339 views

Output php mail calls to log file

This question relates to the question found here: Find the php script thats sending mails Trying to do the exact same thing but can't get the log to output what I need. Not too experienced with ...
1
vote
1answer
540 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 ...
-3
votes
1answer
45 views

Exchange 2013 Spam / Junk Email

We have an Exchange 2013 installation ready to go live in our organization. Due to budget restraints, our spam solution will be added in 3-6 months. We are going to use the built-in Anti-spam and ...
3
votes
3answers
856 views

How do I prevent mail from my Exchange server from being blocked?

Recently one of our client machines was infected with a virus and I believe was spamming addresses in the user's contact list. Since then our server has been appearing on blacklists and it has been ...
3
votes
3answers
172 views

Postfix and compromised accounts

First of all, sorry for my English. I think it's very common to set the permit_mynetworks and permit_sasl_authenticated restrictions on first positions of the smtpd_recipient_restriction list, but, ...
1
vote
4answers
164 views

Increase in Spam Effectiveness

Over the last few days, I've seen a drastic increase in the amount of blatant spam making it inside of my organization. (Exchange 2003 behind Ironmail, Symantec Mail Security.) My security products ...
2
votes
1answer
139 views

Prevent spam being forwarded by Postfix (while locally delivered to a Junk folder)

We have a pretty standard Postfix/Amavis setup where we use the Dovecot LDA to deliver mail locally. Amavis passed spam mail and we use Sieve to drop it in the Junk folder of the user. The problem is ...
0
votes
2answers
56 views

Emails never arrive at recipient but spam tests show no problems

I am running a WHMCS hosting system for a small number of private clients. For a few of them they never seem to receive the invoice emails I send out. I have ran the emails through a number of tests ...
2
votes
1answer
64 views

SPF issue with SpamAssassin

I have an internal management app for a small company, written in Python and running on a Linode VPS, with which users can send occasional emails to their customers. The emails are quite ...
0
votes
1answer
21 views

Sending bulk / single emails from a single domain [duplicate]

Let me explain our situation: We have a web application that uses subdomains for each customer instance: customer1.example.com customer2.example.com Every instance can have over 500 users, which ...
0
votes
1answer
33 views

moving emails on cPanel or plesk to specific folder based on tag [closed]

I have hosting servers with cPanel and Plesk, which have more than 1000 customers. I want that when any email is marked as spam, then it should be moved automatically to JUNK folder, instead of ...
0
votes
1answer
52 views

Exchange SMTP authentication issue with spammers

I have a single Exchange 2013 server with all the roles and it looks like it's being used by a botnet. It is sending mails every 10 minutes to a specific domain from a specific user. It is not an ...
2
votes
6answers
362 views

I'm hosting reseller and I got spam problems. Please help to solve

Our provider suspended our account with 5000+ clients and their sites. The reason was that the whole IP range was blacklisted by SpamHouse, but our provider did not explain what emails, form what IP ...
0
votes
1answer
57 views

Prevent Email Going to Spam [duplicate]

I've set up my own server and I'm really struggling to stop any outgoing email go to spam. I've used allaboutspam and mail-tester.com to test it and they both come back with perfect results. No ...
0
votes
1answer
893 views

plesk 9 spamassassin server wide blacklist via cron?

we're running ubuntu 8.04 LTS and plesk 9.2 our simple task is to set up a periodic black list for spamassassin, e.g. using this script .. #!/bin/sh #! Script by AJR to update local spamassassin ...
-1
votes
1answer
218 views

How to stop server sending spam out. Centos server with exim [duplicate]

I'm looking at a server that appears to have been compromised via a bug in a wordpress plugin and is now sending spam out. This post seems to give a very good report of exactly what I'm seeing. ...
0
votes
1answer
124 views

My server is sending out emails with spoofed accounts

I have a windows 2008 R2 server. I am using mailenable proffessional version 7.59. I noticed on MTA logs that random (non-existing) mail accounts are sending spam email. The emails are from a NULL ...
-1
votes
1answer
43 views

What Does 'HELO_LH_HOME' Means In Spamassassin's result?

I'm trying to send emails from PHPMailer using php on my IIS server. But My emails are going to spam, So I've used spamassasin to detect what is wrong? and here is the result: pts rule name ...
1
vote
1answer
65 views

Outgoing Spam through hacked Mail Accounts

Already searched some Hours about this Problem - but no good Solution in sight - so maybe someone here can help me on this. We offer Webhosting / Mail Services. Lately the amount of Hacked E-Mail ...
3
votes
2answers
149 views

Postfix - forward rejected by unknown recepients emails to SPAM-learning mailbox

I have Postfix + BitDefender FRAMS running as hygiene gateway before few Exchanges. BD FRAMS can learn it's Baesian filter by download SPAM and HAM emails from dedicated mailboxes. Because we have ...
1
vote
2answers
155 views

Is my Postfix sending spam?

In my Rsys log I am getting weird email requests that are not initiated by my server: Nov 17 09:32:18 localhost postfix/qmgr[21748]: 8E52272C09: from=<>, size=33770, nrcpt=1 (queue active) Nov ...
2
votes
1answer
40 views

Postfix and smtpd_client_rate_limit to detect compromissed accounts

Some of our clients are administrators who need to send corporative messages to no more than 300 clients, specifying all of these clients together in the "To:" fields, instead of individual messages ...
0
votes
0answers
36 views

Find the source of spam-script

We have a shared hosting cgi-server with apache2+php fcgi and dma as mta (it forwards messages to mail relay) - it's Debian Wheezy - on it and with ability for clients to run perl/cgi scripts.There's ...
0
votes
4answers
2k views

How can I block an email address in google apps?

I'm using google apps for email, and my primary accound is also the catch-all email address. Now, there are a number of email addresses that seem to attract a lot of spam - is there any way to ...