Preventing unwanted content from being posted on a website.

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23
votes
3answers
5k views

How can I prevent spam on sites which I control?

This is a general, community wiki question to address all non-specific spam prevention questions. If your question was closed as a duplicate of this question and you feel that the information ...
15
votes
8answers
415 views

Effective captcha solutions [duplicate]

Possible Duplicate: How can I prevent spam on sites which I control? ReCaptcha is all the rage at the moment, Based on customer/user feedback, what other captcha or general human ...
10
votes
2answers
550 views

Forum Spam Question. Why are Chinese hackers posting tiny images on my forum

My forum is getting attacked by spammers with Chinese IP's. Replies are created to discussion topics, always short responses and along with the response an image is inserted using forum code which is ...
8
votes
3answers
2k views

Prevent spam using Honey Pots

I am really curious about how to prevent comment spam in a forum using a honey pot trap for spam bots. What if CSS and javascript is turned off in a browser? Do you see any other disadvantages in ...
6
votes
3answers
397 views

When using email as login name, what precautions should I take for registration?

When your registration form is using a user ID that is the same as their email address, I'm somewhat concerned over spammers using the "User name is in use" as a means to validate the existence of an ...
6
votes
1answer
278 views

How to ban registrations from TOR exits?

I am getting far too many fake registrations through TOR exits. I would like to block these registrations like major sites do. What is the proper way to do that?
5
votes
3answers
216 views

What do big websites do about spam emails to the support department?

My website's support email address is starting to get a lot of spam emails to it, what do big companies do about this?
5
votes
3answers
874 views

How to tell whether spammers are bots or humans?

How can you tell if the people that are spamming your forum or website are in fact bots or human spammers? Please note that the question is not about preventing spammers. It is to determine if the ...
5
votes
3answers
120 views

Stopping comment spam with links(need suggestion) [duplicate]

Possible Duplicate: How can I prevent comment spam on sites which I control? After bearing 1 year spammy comments with links in those in my 10 sites, finally I've disallowed comment posting ...
5
votes
2answers
128 views

How to protect a form from spam? [duplicate]

I have compiled a list of items that may protect a web form from span. Which are actually effective? Please feel free to add additional items. Store a code as a hidden field and verify it when ...
5
votes
3answers
2k views

My domain emails are marked as SPAM in Gmail? How to solve this issue?

At Pro Webmasters I searched for an issue which relates to spammed domain list for sending emails which end up in the Spam box in Gmail. I found the link something like below: ...
4
votes
3answers
209 views

Robots signing up on website

A couple of days ago, some robots started to sign up on the website (about 30 in a couple of days), they don't do anything on the website (as I'm guessing they don't find what they're looking for). ...
4
votes
3answers
288 views

Site being repeatedly hacked: any useful tips for tracking down entry point?

I'm suffering from a spam hack where my site periodically starts to show Viagra spam to Google and other spiders. The method of the hack is basically that my .htaccess file gets modified to route all ...
3
votes
2answers
106 views

Why do spammers use CELESTRON NEXTAR 6SE?

I am running a website for a volunteer organization that hosts an annual event. There is a form where people can volunteer to bring items for the event. All too frequently I get spam from users ...
3
votes
3answers
456 views

How to remove spam links from google?

My wordpress website got the pharma attack. Now there are lots of spam links on my website indexed by the Google. Is there possiblilty to remove these links from the Google using robots.txt file or ...
3
votes
1answer
4k views

Gmail is marking my emails as SPAM - Please help [duplicate]

Possible Duplicate: How could I prevent my mail from being recognized as spam? gmail is marking my emails as SPAM I used the great service: isNOTspam.com to check my email against spam I ...
3
votes
1answer
92 views

Strategy to prevent spammers from taking advantage of “Invite by email” feature?

We are developing a web application, and we would like to make it very easy and effective for our users to invite their friends, family and colleagues to view and interact with their content on the ...
3
votes
4answers
1k views

Sending HTML to Gmail always lands in Spam

I am having an issue with sending HTML emails to Gmail. I can send them to Yahoo, Hotmail, RR, AOL, etc. with no problem at all, but when I send them to Gmail I get kicked to spam. I have checked ...
3
votes
1answer
519 views

Can randomly-generated field names help avoid SPAM bots?

If I were to generate my field names randomly each time a contact form was rendered, would that help prevent SPAM bots from recognizing the fields? Can they read label text?
3
votes
1answer
35 views

How to batch remove spamming users and pages they created on MediaWiki?

I'm trying to clean up a MediaWiki instance which has been subjected to spamming and vandalism for a period of time. The current status is that there are a large number of users which only created ...
3
votes
4answers
492 views

Silverstripe: How can I disable comments?

My client site is built in Silverstripe, there is a news page, and it allows people to leave comments. Unfortunately we've got loads of spam emails. I'm new to this, is there any way we can disable ...
2
votes
2answers
183 views

How does Google prevent GA accounts from being spammed [closed]

Since the Google Analytics snippet is available in the source code of the page (e.g. below is stackexchange's) <script type="text/javascript">var ...
2
votes
2answers
103 views

Dealing with spam by blocking URLs?

I run a giant community. Many spammers will use link shorteners or .tk domains that 301 to their spam offer. How are sites detecting the final domain and is this a viable solution to block spam? ex. ...
2
votes
2answers
684 views

How can I reduce the number of spammers registering with my phpBB site?

I have a site which runs phpBB, on this site I have enabled user authentication through email when registering enabled captcha However I still get spam users every 20 to 30 minutes. Is there ...
2
votes
1answer
83 views

Spam being sent from my domain

I have a suspicion that somebody is sending spam from my domain. Today I received an email from postmaster(AT)halliburton.com to htuwxjw(AT)example.com which said: The following email was blocked ...
2
votes
2answers
1k views

Gmail is marking my emails as SPAM. However, ISnotSPAM marks it as not-spam

I'm sending an email through my application code. The email gets into my Gmail spam folder. However, a test of the same email in ISnotSPAM is marked as non-spam. My application is using Sendgrid to ...
2
votes
1answer
97 views

Spam prevention through IP tracking

I am building a website with user generated comments. In order to implement user moderation/spam-protection, users have the ability to mark comments as spam. When one comment is marked as spam, I want ...
2
votes
2answers
731 views

Has anybody earned $0.25+ from each of a captcha (on your website) passing?

I am a real dummy in web monetizing schemes. [ 1 ] informs that a captcha vendor: "charges a fee of about 25 cents to 50 cents for each form that is filled out using a Type-In ad [captcha]... ...
2
votes
2answers
304 views

Reduce likelihood of Mailchimp email campaign going to Spam

The company I work for sends a marketing email at least one time per week using Mailchimp's email service. All of our subscribers are opt-in active customers and our emails are not spammy. There is ...
2
votes
2answers
114 views

Spambots looking for phpmyadmin and more

I inherited a couple of sites that send the webmaster an email with each 404 error. I get a smattering of errors each day, but there are times when I'll get dozens, even hundreds, of errors from these ...
2
votes
2answers
374 views

phpbb banning multiple users by username/email

On phpbb, we usually select many user names and put it in the ban list. This is fine. but here's my key question: Are these banned users banned by their user names only OR emails OR both? If they're ...
1
vote
5answers
519 views

How to prevent common spam on a WordPress blog [duplicate]

Right from the day I installed WordPress on my site, I started getting spam comments/trackbacks. I have also prevented anonymous comments. I get the following email whenever a new spam is posted: ...
1
vote
3answers
106 views

How to implement an unspammable email address

Providing info email or contact email in plain text helps spammer (robots) to extract the email using regex or any technique, currently I provided an image like this: But this method has usability ...
1
vote
4answers
2k views

Best lightweight PHP/MySQL forum with spam-protection [duplicate]

Possible Duplicate: What Forum Software should I use? I have already searched and checked out posts like this and this but it isn't what I'm looking for. I'm looking for a lightweight ...
1
vote
4answers
197 views

Recommended Spam Best Practices [duplicate]

Possible Duplicate: How can I prevent spam on sites which I control? Are there any recommended admin tools or interfaces for reviewing and moderating spam on a community-driven UGC site?
1
vote
3answers
216 views

mailto link is a spam flag, what is the simplest way to explain this to business person

Do you agree that it is generally bad practice to include mail to links and emails in websites because of spam and the various malicious agents that search and use emails? If so how could I explain ...
1
vote
1answer
58 views

What techniques can I use to block human generated spam posts?

I'm having trouble blocking paid posters trying to post links to products unrelated to "fashion" on my site. I've made my links nofollow but they're still being posted. What techniques can I use to ...
1
vote
3answers
39 views

Should we date our e-mail addresses

I have a website I'm administering for a volunteer organization that has a big staff turn over (annually - the team working in 2014 is almost completely different from the team for 2013 as the team ...
1
vote
1answer
126 views

Publicly displayed e-mail address: Is it safe from spam-bots when dynamically generated?

I am currently in the process of making myself an employment website; the entire site uses a client-side rendering engine to dynamically load views. Because of this, the source of the page returns ...
1
vote
3answers
494 views

Best way to block “comment spam” postings to web forms? [duplicate]

Possible Duplicate: Make your site anti-bot? I have a custom web form on my PHP-based site. Recently it is getting a regular stream of comment-spam postings from a few specific IP ...
1
vote
2answers
2k views

Is it possible to block traffic originating from a specific country?

My personal website is currently getting a lot of spam comments at the moment, and most of them originate from Russia (I've used Google Analytics to identify the traffic, and a lot of the links link ...
1
vote
2answers
55 views

Do spam bots load the DOM?

I have an issue where a form on my site is getting spammed. The form is actually a copy paste job from a CRM, so I cannot access any of the server side script to make a good human checker. In the ...
1
vote
1answer
61 views

How to set up a SPF record?

The clients on my VPS are all getting spammed. The spam seemingly comes from their own email addresses - it is clear that somehow something got into my VPS and was able to capture all the email ...
1
vote
1answer
76 views

Is info@mydomain a bad choice for the sender and reciever of bulk email newsletters

Is it bad to use info@mydomain.com as the sender and receiver for bulk email newsletters? Would it be better to use, for example newsletter@mydomain.com. I realise there are many factors that effect ...
1
vote
1answer
106 views

I'm using a shared server, and as such Gmail marks my email as spam (all from headers are different from the same IP)

I have a shared server, meaning many people share the same IP. When I send an email, the @website.com is different from someone else that shares the same IP with me, therefore Gmail marks it as spam. ...
1
vote
2answers
519 views

How to weaken spam attacks from XRumer

Though this topic : How do spambots work? is related and enlightening but it talks about general spam logic. Moreover it is really difficult to follow many anti-spam measures mentioned in it in case ...
1
vote
1answer
72 views

What is the most time-effective way to monitor & manage threats from bots and/or humans?

I'm usually overwhelmed by the amount of tools that hosting companies provide to track & quantify traffic data and statistics. I'm equally overwhelmed by the countless flavors of malicious ...
1
vote
1answer
164 views

Websense is blocking our website as “Potentially Damaging Content” [closed]

A lot of people are complaining that my company's website www.justjus.com is being blocked by their organisations. Anyone that has tried to access our website from a large organisation has been ...
1
vote
0answers
42 views

What's a good way to keep spam out of 'anonymous' submission websites? [duplicate]

Possible Duplicate: Make your site anti-bot? I'm trying to do everything I can to prevent spammers from just pasting crap all over my forum websites. People get incentivized by video games ...
1
vote
1answer
143 views

Need help for stopping spam inquiries [duplicate]

Possible Duplicate: Make your site anti-bot? I am not a web developer, nor have I the required knowledge to grasp this situation. I have a small company with a modest web site where I ...