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

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Email not received when sent by our app, received when sent by outlook [closed]

We have an application that sends mail in bulk, via a mail provider (Mailjet). Our clients are professional organizations, and they send important mails about meetings and stuff like that, to about 10 ...
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2answers
602 views

Killing IP connections who “spam” with requests

How can I go about killing IP connections that seem to be sending a lot of requests to the same url? Let's say I have someone who requests the same url for more than 10 times in 5 seconds, I want to ...
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2answers
805 views

How to react on a message about a pending account ban on Facebook? [closed]

Are you getting this message on chat? LAST WARNING : Your account is reported to have violated the policies that are considered annoying or insulting Facebook users. Until we system will disable ...
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1answer
428 views

Cheap to validate yet expensive to compute hashing algorithm

I am looking for a hashing algorithm somewhat like bcrypt, except that I would like validation to be extremely cheap. As an anti-spam measure I would like to require my clients spend say, half a ...
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3answers
210 views

There's a lot of spam, and hacked sites are often used to distribute it [duplicate]

Possible Duplicate: What are common/official methods of reporting spam/phishing/nasty-grams to organizations? My production application receives a lot of emails and I can easily detect spam ...
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3answers
306 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?
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312 views

Wordpress online pharmacy hack? [duplicate]

Possible Duplicate: Protecting WordPress installations anybody knows how to protect your WordPress website from online pharmacy spam, even after deleting all spam files and deleting spam ...
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2answers
378 views

Statistics on purposes of viruses/malware

Are there any resources that analyze the purpose or goal or the major viruses/malware out in the wild today? For example, what percentage are used to construct botnets (for DDoS or something else)? ...
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6answers
343 views

Spam fighting idea

I have this crazy idea that spam e-mail would not be worth the time of the senders. This is how it's going to work. Someone sets up a reputation-based site, much like stackexchange sites, where ...
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4answers
363 views

Next steps after webmail account was compromised

John Doe told me the following story: I got a mail from a good friend. It just contained a single link. That seemed odd but I didn't think a lot about it. After clicking on the link, the web site ...
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1answer
534 views

What is this spam used for?

Recently my secondary e-mail address was exposed by an incident, and soon I received this spam. What is this spam used for?
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2answers
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What malicious things can happen when clicking on links in email?

I've received a spam from one of my friends (well I'm sure he didn't send it). so there's this link, and i'd thought what exactly would be the implications of clicking the link (i've not clicked it ...
3
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2answers
271 views

Legal process for suing joejobber?

I'm currently being joejobbed, and want to sue the joejobber. Details: I have real damages: the joejob causes me to receive fake bounces, which: stop/delay my receipt of legitimate mail, since ...
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4answers
580 views

what to do after suspected intrusion on hobby webserver

I maintain a server to host my files and a number of websites for hobbies and friends. I just noticed that the site summary being returned in google for one of my domains were all porn related ...
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2answers
1k views

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

(Posted here after a comment/suggestion from: http://superuser.com/questions/254340/caller-id-spoof-and-text-spams-how-do-they-work. Apologies if deemed not appropraite) A lot of people will have at ...
6
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1answer
2k views

How to create your own RBL DNS Blacklist to prevent spam

I am getting sick of reporting the same old chinese emails to Spamcop now and would like to make my own small RBL list that I can easily add blocks of IP's to. I have a spare PC and static IP address ...
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2answers
1k views

spam with my own domain

At my work we have a very tricky issue with spam. We use postfix, and recently began to receive several spams mail with our own domain. This is obviously very prejudicial for us, because many ...