Spam is the use of electronic messaging systems (including most broadcast media, digital delivery systems) to send unsolicited bulk messages indiscriminately.

learn more… | top users | synonyms

5
votes
1answer
154 views

How to reject e-mails spoofing your own domain targeting your employees at Office365?

One problem Office365 users deal with is that an external SMTP server can spoof the domain of an organization and send e-mails to the domain users; where the e-mails appear to be from employees of the ...
1
vote
2answers
66 views

How to prevent phishing mails from being successful? [duplicate]

I'd like to know what the best methods are to prevent success of phising mails. This question contains the following subquestions: What are the best ways to determine incoming phising mails (on a ...
5
votes
2answers
476 views

Yahoo mail hacked - how to recover, how did it happen and how to prevent?

I was yesterday informed by some friends that they received spam mails with my name as sender. The sender addresses look like firstnamelastname@spacepc.pt and firstnamelastname@revistaplot.com with ...
1
vote
0answers
48 views

How to know which extension or software is causing ads in Chrome? [closed]

Starting yesterday, I noticed that something weird is going on with my laptop. After unlocking my laptop I found that the empty Chrome pages that I opened are getting redirected to ads. I am running ...
2
votes
1answer
73 views

Why are packets constantly being sent to international ISPs?

When using a packet sniffer, I notice a lot of packets being sent to a bunch of ISPs (such as axion.ca, wanadoo.fr/orange?, bresnan.net, zebra.lt) usually all at the same time. Here's a screenshot of ...
1
vote
0answers
11 views

Do spam filters work if I use a forwarding address? [migrated]

I made the mistake of replying to a linkedin connection request with my main forwarding email and have started getting spam after years of 0 spam (have blocked linkedin requests now). I have been ...
2
votes
2answers
68 views

Is it appropriate to block a sender's email address

This morning I received a mail from Apple suspension UK <do_not_reply@apple.co.uk> with the subject Apple "Unauthorised transaction alert". The mail was sent to one of my company's distribution ...
-3
votes
0answers
15 views

Do 'Unsubscribe' Links Work in Spam E-Mails? [duplicate]

Recently for the great fun, I was reading through my spam folder. I found that on 99% of messages there was a very small link on the bottom that said (roughly) We value your privacy. To unsubscribe ...
1
vote
0answers
94 views

What are the point of these gibberish comments?

On this site there are comments such as: ÃÊÁ ¹67 Èìåíè Âîðîõîáîâà â Ìîñêâå (Ãîðîäñêîé äåïàðòàìåíò çäðàâîîõðàíåíèÿ) ïî ïðàâó íà -ñåãîäíÿøíèé äåíü ñ÷èòàåòñÿ êðóïíåéøèì âðà÷åáíûì çàâåäåíèåì ãîðîäà ...
21
votes
6answers
14k views

Is this “Domain Registration Service” email a scam?

I received an email to the email address listed on our website (it's a generic info@ourcompany.com to help "weed out" spam, whereas each employee has something like andreas@ourcompany.com to which I ...
63
votes
2answers
9k views

What is the purpose of these weird non-spam emails?

A mail made it through the spam filter and i wonder what the purpose is. It is not spam. Tracking? But how? Who? and why? In the source code there are this weird passages like ... =EA=85=9F ...
68
votes
8answers
7k views

Unsubscribe safely

I have heard that is better to never click to any link in an email. Is it a bad idea to click to a unsubscribe link? What is the best way to unsubscribe to undesired mails?
1
vote
0answers
30 views

How should end users respond to Earthlink's “Allowed Sender” feature when blocked by policy?

Some of our users are requested to click on an Earthlink antispam URL below https://webmail.pas.earthlink.net/wam/addme?a=USERNAME@earthlink.net&id=<SOME GUID> However our firewall ...
4
votes
3answers
395 views

Using + for email addresses to find out who is selling your data: is it naive or is it effective?

It's pretty common among security-minded folks to fill in addresses using e.g. foo+company@gmail.com when disclosing their email address to company so that they can tell if company has sold their ...
4
votes
1answer
139 views

Is this some kind of Bayesian poisoning?

So I've been reading my spam lately, and today I received this: To: my actual email, but with a name found here: tel2name.com (only hit on Google) Subject: one seemingly random excerpt of a web ...
-1
votes
2answers
66 views

How to deal with SMS spam? [closed]

Every few weeks, I get an annoying SMS trying to sell me something, or trying to get me to click something, or otherwise spamming me. I don't think it's a targeted thing- I think my phone number is ...
3
votes
3answers
109 views

Email injection in simple terms?

Can someone explain why spammers use email injection? I am a victim and was wondering if there was any other malicious point besides annoying me and filling up my e-mail?
2
votes
1answer
45 views

Website Spam Bots In Google Analytics

I had a website URL which was getting around 60 hits a day from typical spam suspects like buttons-for-websites & ***.semalt, etc, etc. So I decided that when I changed my hosting account I would ...
0
votes
0answers
116 views

Why is my website getting spammed?

Does anyone recognize this type of spam? NAME: Bagas EMAIL: dq95zxm7l@gmail.com PHONE: JCBUIR6ulwtO COMMENTS: I must express apaotcipeirn to the writer for bailing me out of this particular ...
4
votes
2answers
288 views

Pawn in a nefarious porn marketing campaign?

About a month ago we upgraded (maybe not the right term) our site to WordPress. In that time we went from about 3800 inbound links (according to Google WebMaster) to about 5000. We exported our list ...
2
votes
2answers
126 views

PHP hack base64 code uploaded and sending mass emails

cPanel server with Exim MTA and Dovecot. Some hacker is finding old scripts at different users public directory, and uploading base64 encoded files then using it to send massive spam. How do I block ...
4
votes
1answer
3k views

A “new domain registration” spam?

About 6 days ago I purchased a new domain under .org TLD from a local registrar. Few days later, I have received this strange message (which BTW fell to Gmail spam bin), which looks like some kind of ...
4
votes
5answers
938 views

HTML Entities to hide Email Addresses

I'm on WordPress trying to keep spambots from grabbing email addresses that may be in The Content. WordPress has a nifty little function simply called antispambot() which will convert the email ...
0
votes
2answers
46 views

Does a random number after the login name in the public members section of a website increase security or privacy?

http://forum.example.com/users/username-3723484 vs http://forum.example.com/users/username where username is specific to each user, as is its salt. My hypothesis is that it makes it harder for ...
0
votes
1answer
105 views

What can I do if someone is using my IP address? [closed]

Another device in my network is using my IP address, what can he do if he is using my IP address? Is this a crime? Can him be caught by police or sue by Malaysia government?
2
votes
4answers
144 views

How can I stop an IP from trying to use my mail server?

I have recently set up my first email server, and I look at the logs in /var/logs/mail.log to see what is happening, I notice this one IP does this multiple times every day for the last so many weeks ...
-1
votes
1answer
168 views

Offline malware / script scanner for webfiles (PHP and HTML) [closed]

I have downloaded an entire copy of a website that has been used as a spam relay. I think I have tracked down the problem to a loophole in a contact form (now closed, but was not used, but still ...
1
vote
0answers
132 views

How is Facebook Spam/Hacks Achieved? [closed]

Recently a handful of my Facebook friends flew off the handle screaming about how horribly they had been "hacked" and how scary it was and etc. It was my view that most of these "hacks" were simply ...
7
votes
4answers
3k views

What does this malicious PHP script do? [closed]

Somebody hacked my site and uploaded this script (template46.php) to my webroot and its content is: <?php $vIIJ30Y = Array('1'=>'F', '0'=>'j', '3'=>'s', '2'=>'l', '5'=>'M', ...
2
votes
2answers
154 views

Wordpress blog hacked?

There is a Wordpress blog running on Wordpress 4.0. Anyone having the company webmail can signup to the blog using their Google+ account and submit blog posts. Once posted they will be sent to some ...
1
vote
5answers
175 views

How to analyze spam email URLs to detect exploits?

I'm receiving spam emails that, looking at the email headers, appear to be coming from a variety of computers around the planet. They're always the same type of email that contains invalid URLs inside ...
51
votes
4answers
3k views

What is the point of gibberish spam

I fairly often happen across forums spammed with messages such as: Arugula (Eruca sativa) is an quarterly green, pretended or roquette. It's been Traditional times, overclever 20 flat has be ...
21
votes
3answers
3k views

How does Bayesian poisoning work?

This answer mentions Bayesian poisoning in passing and I've read the wikipedia page but don't feel I've fully grasped it. The first case, where a spammer sends a spam with a payload (link, malicious ...
1
vote
2answers
62 views

Dealing with Spam with an unkown party harvesting the email address [closed]

I have a situation where I keep receiving spam from several IT companies (solicitations, marketing etc.). I think I gave away my email to a company in the last couple of years for reading a white ...
11
votes
2answers
2k views

Caller ID Spoof and Text Spams – How do they work?

A lot of people will have at some point received a spam text offering some sort of help via a debt settlement order, or help claiming for an accident that they have never had. I’ve noticed these are ...
5
votes
1answer
2k views

Weird visitor from Samara ----forum.topic5982…908.darodar.com? [closed]

I have seen this question asked about a user from Samara,Russia, and when I sifted through all the other occurances,everything everyone else is experiencing matched my experience, except for one ...
57
votes
4answers
5k views

Is using 'dot' and 'at' in email addresses in public text still useful?

When entering your email address publicly, a practice is to replace . with text dot and @ with text at. I assume that the reasoning is that this way automatic email-collector robots won't match your ...
2
votes
2answers
2k views

How to Check if my mail is classified as Spam

I think several of mails are classified as spam.But Gmail and other Public Email providers has no issues. It might be a false positive cases with the associated tools Is there a tool or a way by ...
3
votes
1answer
557 views

My sendmail started sending spam; what is causing it to do so? [closed]

Today my sendmail service started sending e-mail to various addresses. /var/spool/mail: From MAILER-DAEMON@noxcommunity.com Fri Jan 30 22:15:30 2015 Return-Path: ...
9
votes
3answers
415 views

What are common/official methods of reporting spam/phishing/nasty-grams to organizations?

A user of mine just received a phishing email claiming to be the IRS. What methods of reporting are available, and what should be included?
2
votes
3answers
349 views

Strange unsolicited email sent to almost never used email address

What initially looked like typical spam now seems extra odd and is bugging me (only figuratively I hope). Ostensibly, a sales rep from DomainNameSales.com (DNS), which I'd never heard of, sent an ...
-3
votes
1answer
96 views

Is my account hacked? [closed]

I accidentally opened up a spam email in my junk folder. However I did not open up the attachment. Is my email and computer ok?
11
votes
12answers
6k views

Is there a true alternative to using CAPTCHA images?

Security is about balancing costs and risks, nothing is impossible to beat, specially not typical CAPTCHA implementations, but they do add something no other system seems to offer. I've been reading ...
1
vote
1answer
199 views

What does proxyexec + cagefs.server mean in the e-mail X-Source-Args?

I've the following headers in the e-mail which I've received as spam: X-Source: X-Source-Args: /usr/sbin/proxyexec -q -d -s /var/run/proxyexec/cagefs.sock/socket /bin/cagefs.server X-Source-Dir: ...
3
votes
1answer
292 views

Suspecious js file sent as email attachment

I received a js file with following code in my spam folder but I decided to take a look into the file. Do anybody of you know what does this code might do? var evl='';function nr() { evl = '}; ' + ...
0
votes
2answers
2k views

How to report abuse spam with X-AntiAbuse header which was added to track abuse?

I've received the following spam e-mail (with the link to viagra site): Return-Path: <silviani@server04.funet.co.il> Received: from server04.funet.co.il (server04.funet.co.il. [212.29.215.70]) ...
18
votes
4answers
3k views

Would 'spam' mail really avoid eavesdropping?

spammimic.com offers a service that 'encrypts' your mail as 'spam', the rationale being that all mail services automatically filter out spam, and so if you're wanting to communicate with someone ...
15
votes
6answers
8k views

How do I safely inspect a suspicious email attachment?

I received a pretty blatantly spammy email to my Gmail account. I'm not really sure how it made it through the spam filters, since it has all of the telltale signs. The FROM field is spoofed as ...
7
votes
1answer
1k views

How do I stop attack on my email id from hackers?

We have an email id, info@<ourdomain>.com This email id is being hacked frequently and mails are sent from this email id, Following is the example of one such email. From: ...
1
vote
0answers
48 views

Webistes listing email address lists for spammers [closed]

Which websites would you usually check if you suspect that your company's address book has been leaked and is being used by spammers? I have identified https://pwnedlist.com/ for this purpose but was ...