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

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0
votes
2answers
42 views

Spam delivered by mx.google.com despite SPF fail

Some spammer use our e-mail address as sender in forged e-mails. Now we got thousands of bounced messages from no longes existing e-mails. We set up SPF and DKIM records but it does not stop. ...
10
votes
2answers
126 views

Email from our server tagged as junk by Hotmail Smartscreen unable to inform Hotmail that it is legitimate

Since more than 1 month ago we are having our email from one of our servers systematically tagged as junk by Hotmail Smartscreen filter. We have taken the following actions/measures without success: ...
0
votes
0answers
17 views

b.barracudacentral.org how configure my firewall

I use a ZyXEL USG200 firewall and I have to put in it the b.barracudacentral.org URL to activate the check of incoming mail. I use an external ISP DNS server and an external hosted email service, both ...
0
votes
1answer
21 views

How to identify source / script of spam IIS 7 [on hold]

I am looking for a way to find the source of spam on one of my webservers, attached to Parallels Plesk Automation 11.5. The server currently runs Windows 2008 r2 & IIS7. The mail queue keeps ...
-1
votes
1answer
28 views

Mail being marked as spam by gmail but only from certain addresses [on hold]

I am sending the same message through the PHP mail() function using two different addresses in the header. When I send the email with contact@domain.com it is marked as spam by gmail but when I send ...
0
votes
0answers
11 views

EXIM alloying in spme despite strict rules [duplicate]

Here is a copy of a header from a recent spam e-mail: Return-path: <Deals---Alert@headja.cricket> Envelope-to: user@domain.tld Delivery-date: Tue, 07 Apr 2015 22:58:51 +0400 Received: from ...
0
votes
1answer
20 views

Block an http referrer on the server level

I am seeing multiple fake http referrers to several sites on my server, which for the most part doesn't bother me, except that they distort visitor stats. I have filtered the questionable domains out ...
2
votes
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 ...
2
votes
2answers
31 views

What's the purpose of spammy HTTP referers?

In the logs of my website, there's a lot of visits with a HTTP referer set to spam-like websites (usually Russian sites, I've noticed). I assume what they're doing is just using a web crawler to visit ...
0
votes
0answers
13 views

Lotus Domino how to Enable Verify connecting hostname in DNS but with exception

Hi I enabled @ LOtus Domino the Configuration -> Message Settings -> SMTP Inbound Controls Verify connecting hostname in DNS This blocks all messages incoming if the sender IP has no reverse dns. ...
0
votes
1answer
47 views

What could these email mean? [closed]

I receive these mysterious emails with no subject, no body, forged yahoo addresses, and forged Message-Id. I receive hundreds of these every day. I've included a sample of about a dozen below (I've ...
1
vote
1answer
15 views

relearn bayes autolearned spam when mails already processed by exchange

I'm using postfix with amavis and spamassassin to filter out spam before relaying everything to an exchange server. Regularly I got mails which weren't catched by spamassassin, even worse, they were ...
5
votes
1answer
376 views

Disable Outlook Web Access Junk filtering in Exchange 2013

By default, Outlook Web Access (OWA) in Exchange 2013 seems to move suspected junk mail to the Junk Email folder. This is undesirable behavior in most of my environments because we have Barracuda Spam ...
0
votes
2answers
58 views

Why does my server (postfix) “relay” mails / Have my server been hacked? [duplicate]

Something weird is going on on my mail server. I was mailing a friend and my mail bounced because the ip of my server had been blacklisted. It appears like my server is being used for relaying spam ...
1
vote
1answer
2k views

Exchange 2010 email spoofing prevention

Masters, Unfortunately we got some spam mail which seems to be coming from our own domain. I found some article which all says to remove Anonymous login from internet receive connector ...
-2
votes
1answer
25 views

Keep receiving abuse messages from my service provider, but cannot find anything in maillog

I keep receiving from my provider abuse messages, that spam is being sent out from my server, but I cannot find anything in the /var/log/maillog files. No information is being logged there about ...
-7
votes
2answers
38 views

How to add an email to an international Spam Blacklist [closed]

I am sick and tired of getting invitation emails from LinkedIn. When I ask the senders to stop sending these to me, the answer is always the same: they never sent the email in the first place. This ...
3
votes
6answers
4k views

Hotmail and Live.com rejecting all emails [duplicate]

I have been having problems sending emails from my server to hotmail.com and live.com email addresses. I have read other posts on serverfault but they have not been helpful. Here is the error message. ...
-1
votes
1answer
23 views

My server mail going junk in hotmail and yahoo [duplicate]

All my server mails going to spam in hotmail and yahoo. Here is my full mail source. Can any one please help me to sort out this issue ? ...
4
votes
2answers
1k views

Is the 10-DNS-lookup limit in the SPF spec typically enforced?

My understanding is that the SPF spec specifies an email receiver shouldn't have to do more than 10 DNS lookups in order to gather all the allowed IPs for a sender. So if an SPF record has ...
1
vote
2answers
67 views

How to send a large number of emails to a dated list of receipients

One of my clients was to send an email to ~100,000 recipients. The client is a state organization, the emails are not promotional, the recipients are all members of the organization and they are sure ...
1
vote
0answers
7 views

Can mailman/exim reject nonmember postings at connection time?

I am using Mailman with Exim. When a nonmember posts to a mailing list, Mailman can be configured in any of the following ways, each of which has a problem: Accept it -- this distributes spam to ...
-3
votes
0answers
18 views

How to disable Symbolic link creation option to users in cPanel server? [closed]

In shared hosting server, one user is trying to upload 100s of symbolic link files and trying to access files out side. Mostly it is for malicious purpose. In this image, you can see 100s of symlink ...
1
vote
0answers
68 views

Emails keep going to Gmail spam folder - DKIM, SPF, are set up - Very perplexing [duplicate]

Note: This is NOT a duplicate question, there are no questions that address the very specific details of headers as far as whether the inclusion of multiple DKIM entries will result in landing in the ...
-1
votes
0answers
17 views

My VPS sends huge spam :( [duplicate]

since I am not tech guy I am trying to find someone who can help me but with no success so far. My VPS sends spam. Like a lot. 1,4TB in two days even though we restart immediately it when we see huge ...
0
votes
0answers
23 views

How do I stop spam sent to mailing list posters by a list subscriber?

I administer a few moderate traffic mailing lists. I'm starting to get reports from list members about spam being sent to them after they post to a list. I've been sent a couple of these spam messages ...
7
votes
4answers
4k views

SMTP message rate control on Ubuntu 8.04, preferably with postfix

Maybe I am chasing a bug but I am trying to set up a smtp proxy of sorts. I have a postfix server which receives all the email for a collection of servers/clients. It them uses a smarthost ...
0
votes
1answer
472 views

How to find out where mystery SPAM scripts are coming from? [duplicate]

I am the datacenter manager at a small ISP and we have been having an issue with mystery scripts sending out SPAM on our server. These PHP scripts will appear mysteriously in /tmp as well as sometimes ...
0
votes
0answers
15 views

Prevent Hmail from relaying spam

I am running hmail and it is sending a lot of spam without my knowledge and without me making it send anything. This is highly frustrating. What must I configure in Hmail to prevent it from ...
1
vote
1answer
133 views

Spammer on CentOS keeps blacklisting my server [closed]

I am the owner of a server and I have got a spam problem on one of the accounts. The spammer keeps sending lots of mails from fake non-existing addresses from (only) one of my domains. ...
1
vote
0answers
31 views

Automatically rescan email with SpamAssassin after it has been received

For the past months, the amount of spam I've been receiving has been driving me crazy. Despite running SpamAssassin (with RBL checks) on my Exim4 mailserver, a lot of it has been finding its way to ...
-2
votes
0answers
14 views

Perl sending out spam mails using www-data [duplicate]

Running a Debian box with Plesk 12 on it. Hosting around 30 sites, mainly Wordpress installs. One site has a serious WP vulnerability which was fixed but the server is infected. Below you can see ...
-1
votes
0answers
21 views

Block large UDP transfers from my server [duplicate]

Sorry if this is a newb question, I'm getting into server management and have hit a problem that has me stumped. My debian hosted virtual server occasionally sends lots of data out on UDP to 'random' ...
3
votes
2answers
1k views

What is the email SPF entry for sending from Yahoo!?

I have a client that is sending email from a Yahoo! Plus account as if from her own domain. Is there a way to set up the SPF record so that it covers all of Yahoo!'s outgoing servers? i.e., what do I ...
-2
votes
0answers
15 views

My VPS is used for spamming - spambot [duplicate]

It is sending some polish emails and using our two email domains, i tried to disable email via php.ini, but it doesnt help, so the problem must be in VPS. I also tried to update software, but it ...
7
votes
3answers
98 views

Does “~all” in the middle of an SPF record signal the end of the record when it is parsed?

Our company's SPF record format is as follows: "v=spf1 include:_spf.google.com ~all a mx ip4:X.X.0.0/23 include:spf.example.com ?all" So we have an "~all" in the middle of our SPF record. On the ...
-3
votes
4answers
565 views

Remove blacklist from spamRATS

I have checked my IP in SpamRATS and the result is the following: Standards Compliance: Does IP Address resolve to a reverse hostname... Passed! Does IP Address comply with reverse hostname ...
1
vote
1answer
43 views

Hotmail/Outlook dumping apparently valid emails

I've written some software that operates a non-commerical contact list for clubs, where the server sends out admin mails to the entire club. The emails are received Ok on Yahoo, gmail, and AOL, but ...
1
vote
4answers
2k views

How do I bypass Exchange 2007 SenderID Spam filtering on mail coming from a particular domain

I have some emails which are been deleted as spam and the AgentLog files contains the section ... Sender Id Agent,OnEndOfHeaders,DeleteMessage,,MissingPRA,No valid PRA, I would like to configure ...
3
votes
2answers
277 views

Blocking PHP mailer spam using iptables

I host a public-facing web server running Debian Wheezy, and latest versions of Postfix, Apache, PHP, Spamassassin, ClamAV, rootkit hunter. Apache is configured with a handful of vhosts, each tied to ...
1
vote
1answer
73 views

How to send a custom reject notification in Qmail (badmailfrom File)?

i´m using QMail and i want to reject various emailadresses (domains). I found the following way: Block Email Senders in QMail: /var/qmail/control/badmailfrom When i block a sender he will get the ...
2
votes
1answer
37 views

Postfix Limit mail for domain from IP range

I have multiple domains and email accounts on my postfix server. All of them get slammed with spam despite all my attempts to get it under control, I broke down and started paying for a pass external ...
-3
votes
1answer
66 views

how to prevent fake mails from being sent on my mail server? [closed]

I use Zimbra as my office email server. Recently, an intern at my company showed that he could use my email id (without hacking into my account) to send emails to anyone in the company using the ...
1
vote
2answers
154 views

DNS and SPF configuration for Microsoft Exchange

We've started receiving spam with spoofed addresses from our own domain. So I'm trying to get my PTR and SPF records etc correct to prevent it. We're running Exchange 2010 on site with one server ...
2
votes
0answers
43 views

Exchange 2013: content filtering bypass

I have just completed a migration from a single Exchange 2007 to 2xExchange 2013 servers in separate sites. Mailflow is working correctly, but the anti-spam content filtering is not working as ...
-1
votes
1answer
34 views

Automated email sent using Bash mail function gets filtered as spam by Gmail [duplicate]

I have a Bash script which is scheduled to run everyday and sends out user notification emails using a command like: mail -s "Hello World" someone@gmail.com Why is this email detected as spam by ...
2
votes
1answer
129 views

Single MailCleaner installation for two distinct domains with user authentication

I would like to use one MailCleaner installation to handle two distinct domains as one centralised spam management system, sharing configuration and mainly the bayesian filtering database. Both ...
0
votes
1answer
170 views

Most simple, easy to service and update DIY spam/virus filtering SMTP gateway

I run email for several companies, and I want to set up my own SMTP gateway to migrate their domains off hosted spam filtering services. I wanted an opinion from someone who actually runs email ...
3
votes
3answers
296 views

Exchange 2007 ineffective spam filter

On a pretty clean 2007 setup, I'm seeing A LOT of mail with senders such as : 0.0011a7f8@roman htyme@14009d3cb93848c 0-lz@14009d3cb93848c 0-5-1@home-4fd909062d 0-td@h109-187-48-125.dyn.bashtel.ru ...
0
votes
1answer
29 views

Exchange 2007 ignores whitelist (BypassedSenderDomains) when IP is found on a block list

On my Exchange 2007 machine I configured the IP block list provider to query zen.spamhaus.org bl.spamcop.net dnsbl.sorbs.net some of our business contacts or on those lists and get blocked by ...