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Questions tagged [spam-prevention]

Preventing unwanted content from being posted on a website.

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Wix Spam Filter

I created a site on Wix where people can post in specific groups, similar to how Facebook operates with Facebook Groups. However, as the number of people on my site grows, I want to be able to have ...
user avatar
3 votes
2 answers
57 views

Abuse, Postmaster, Webmaster addresses required for each subdomain?

I have a base domain that has the [email protected], [email protected], [email protected], etc. However, I want to set up a new subdomain from the base domain. Does this new subdomain require ...
asdfwaffles's user avatar
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0 answers
14 views

Why does yahoo.de mail mark my email as spam inspite of full score on mail-tester?

I set up an email server following https://www.makeuseof.com/make-your-own-raspberry-pi-email-server/ (It makes use of emailwiz). I finally got a score of 10/10 on mail-tester.com. Also, the emails ...
MoritzMoreira's user avatar
4 votes
1 answer
46 views

How to protect from spam when the legislation forces you to display the email address?

Context I want to protect a ecommerce website from email spam, whilst the legislation in my country makes mandatory to publish an email contact address on ecommerce sites. As an additional constraint, ...
OuzoPower's user avatar
  • 357
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0 answers
28 views

spam clicks and impressions google search console

I have this issue i can't find any solution spam clicks and impressions, and doesn't appear in google analytics edit: The main issue is my website is at the medical niche while spam clicks are coming ...
yahia ashraf's user avatar
2 votes
1 answer
567 views

Will redirecting to a mailto URL prevent spam bots from harvesting the email address?

On https://www.heartinternet.uk/blog/15-ways-to-hide-your-email-address/, under the sub heading Replacing with a PHP script, a method to hide email addresses is presented that I like very much. On the ...
Frank Conijn - Support Ukraine's user avatar
0 votes
3 answers
944 views

A lot of weird websites have linked to my domain, do I need to be careful?

I recently found that a lot of (more than 30) websites are linking to my domain. Those websites are mostly from India and there are hundreds of links on each page. The content is "top websites&...
AGamePlayer's user avatar
2 votes
1 answer
47 views

Spam, captcha - limit Contact Us page to country where you're doing business

I do business only in the USA, however my content is relevant in just about any region of the world. I routinely get spam via my Contact Us page, almost all of which comes from outside of the US. ...
Trebor's user avatar
  • 3,270
0 votes
1 answer
17 views

Have had to add reCapatcha to my website. Now automation tests fail (obviously)

I have automation tests that run on my site every night to test that the site loads, displays certain key bits of text and fills in and sends a contact form. Today the test ran and passed but we did ...
Roaders's user avatar
  • 131
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1 answer
162 views

Anti-spam question and google recaptcha added for html contact form but still getting spam messages, how to completely stop?

We implemented the below anti-spam question code into our html contact form. Also google recaptcha is active on the form. But still getting spam of dating and automated other spam messages. Here is ...
Fixiywp's user avatar
3 votes
0 answers
44 views

Does a form review stage decrease submissions by robots?

A relatively recent change to (some?) SE sites is the Review button instead of submitting the question immediately. I have always promoted a review stage. One benefit is that the user gets a chance to ...
Manngo's user avatar
  • 293
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2 answers
120 views

What is the time interval that reputable search engines can hit pages of your website during a crawl?

I'm trying to implement some protection against automated attacks on my website (mostly via scripts, probing for SQL injection, etc.) So I'm checking if two consecutive visits from the same IP fall ...
c00000fd's user avatar
  • 151
3 votes
0 answers
116 views

Detecting mixed character codes to catch spam

I manage code detecting spam in contact forms, a common technique spammers use is mixing character codes so content checks will not recognise the phrases but a user will, as long as they are viewing ...
Matt's user avatar
  • 51
2 votes
2 answers
120 views

How to avoid e-mail spoofing

My website e-mail is getting 'spoofed' and I would like to put things in place to avoid that happening. As some background, I have a shared hosting account with a dozen domains added to my hosting ...
Michael Moriarty's user avatar
2 votes
0 answers
46 views

Let spambots "successfully" submit form?

I'm about to set up my html forms so spam bots are being caught and rejected. I wonder.. Let's say a spambot submits the form in a way that is not accepted. Should I then let the page with the form ...
mowgli's user avatar
  • 321
2 votes
0 answers
73 views

Suspicious newsletter subscriptions

Since the last few days I have been receiving more newsletter subscriptions than usual. The emails and frequency look suspicious. Like every hour or two. I tested one of the emails with cleantalk and ...
COil's user avatar
  • 121
1 vote
1 answer
112 views

How long would it take to have a domain unbanned from Facebook?

A week ago two of my posts which link to my website were mark as spam, and after I appealed they were recovered in a day. After that I posted another link, and then all of my posts were retracted. All ...
Ooker's user avatar
  • 666
3 votes
1 answer
92 views

Is it the responsibility of large website owners to prevent backlink exploits?

This article here describes how Facebook uses a PHP script to handle links to other websites to devalue the pagerank value. Are all large website owners (particularly ones like Facebook who allow ...
Dominic's user avatar
  • 33
3 votes
1 answer
189 views

Can I block Tor users from sending spam on my form?

Can I use .htaccess to kill any message coming from a Tor IP, or should I make a script on my mailer? I've got $IP = $_SERVER['REMOTE_HOST'] ?: gethostbyaddr($_SERVER['REMOTE_ADDR']); and I checked ...
james gasrdner's user avatar
1 vote
1 answer
29 views

Should I be worried by random/spam sites using my content as bait?

One of sites (my oldest, largest, best known one naturally) seems to be a target of bots that scrape the content and republish it on random domains which then generate Google alerts back to me. ...
JCL1178's user avatar
  • 5,592
1 vote
2 answers
971 views

Spike in direct traffic - how to prevent bots

I am managing two Wordpress sites and have noticed significant spikes in direct traffic that cannot be attributed to any marketing campaign or expected increase in activity. The pattern is also ...
Rosie Wareham's user avatar
1 vote
0 answers
822 views

How to stop Bot generate Traffic in Wordpress?

My WordPress website recent facing a big problem. Spamming problem. Using a plugin i detect that every single second here coming huge number of traffic which is fake and send by BOT. The traffic also ...
Mourin's user avatar
  • 509
2 votes
2 answers
186 views

How do you deal with mass spam on MediaWiki?

What would be the best way to find a users IP address on MediaWiki if all the connections were proxied through squid proxy server and you have access to all user rights? I am a steward on a ...
user avatar
3 votes
1 answer
59 views

How can I prevent a blogspot blog from misusing our company's toll free number?

An unknown blogger is utilizing the toll free number of my company, which is leading to tons of misleading calls. I tried contact the blogger but couldn't find any lead. I even tried asking Google ...
ANKIT's user avatar
  • 31
3 votes
1 answer
121 views

Using user email address as "From Name" and domain email as sender in contact forms?

We have a contact form with an email address field. Let's say [email protected] will send an email using our contact form. When it's submitted this is what the headers would look like: From: "user@...
IMB's user avatar
  • 309
1 vote
0 answers
94 views

Banned emails are still registering to phpBB forum - how could that be?

I manage a phpBB forum (v3.0.12) and am having a problem with spam registrations. We have CAPTCHA setup and two step verification. The problem is, users are still registering with emails we've ...
user77286's user avatar
1 vote
0 answers
40 views

How do spambots find and submit to email opt-in the end of a funnel?

I have an opt-in page that's being nuked right now with spambots. A simple webpage that I use to allow subscribers into my email list. The only way to get to that page was through one of my tracking ...
av17's user avatar
  • 11
1 vote
2 answers
1k views

New Domain got marked as spam after 3 mailer in Gmail

We just started with our mailing activity, and for our warm up, we send the first mail to 1000 emails. On second day we took a big jump and went over to 5000, then 9000 and now at 12000. ...
Amit's user avatar
  • 11
5 votes
1 answer
79 views

How do email spam filters tell if a spam email was maliciously sent with intent to shutdown a real email address?

So for example, let's say we have a legitimate user from "[email protected]" who sends real emails. However, there is a malicious individual who is using their own server or some other email service ...
wlingke's user avatar
  • 153
2 votes
0 answers
132 views

Impact of using free domain extension for personal email (spam-wise)

Certain TLDs/extensions are allowed to be registered for free. Examples include: .tk and .ml Say for example, I register somedomain.tk as my personal domain for email only. I use Google Apps (for ...
ElCapistan's user avatar
3 votes
2 answers
82 views

How can I identify spam traffic? [duplicate]

Recently I am getting some referrals traffic which are everyday changing their name (I am blocking them everyday from GA). First few days their name was example.xyz but now they are using various name....
Shibly Al-Faruq's user avatar
1 vote
1 answer
203 views

Google Analytics — character limit on Filter Pattern field

It took me a while but I finally found out how to use filters to block spam from my analytics. I currently have the following filter pattern applied to 'campaign source' semalt\.com|buttons-for-...
user avatar
1 vote
2 answers
158 views

Block rank-checker.online

This is really messing with my Analytics. I've previously blocked Semalt with the following code in my .htaccess SetEnvIfNoCase Via evil-spam-proxy spammer=yes SetEnvIfNoCase Referer evil-spam-domain....
user avatar
2 votes
1 answer
38 views

Can blocking referer spam by black listing domains in google analytics have a positive effect on ranking due to reduced bounce rate ?

I have a site thats getting a lot of referral spam in google analytics both for referred traffic and organic traffic (where they place the their site name in the keyword field). Because its all bot ...
sam's user avatar
  • 4,627
2 votes
1 answer
43 views

Should I remove my draconian IP bans (3000 rules, entire countries)?

A while ago one of my site administrators was quite draconian in his anti-spam measures, at times banning entire countries from accessing our forum/website. He has left now but there are well over ...
Jethro Hazelhurst's user avatar
1 vote
1 answer
229 views

Bot POST flood prevention

Since half february I noticed an increase in traffic to a very small website, which started to mail me an access log daily. The bot requests the homepage over and over, posting some content in a form ...
PSZ_Code's user avatar
  • 111
4 votes
2 answers
2k views

Which email addresses should I activate for a website? [duplicate]

While checking the log files for a website (let's say http://example.com) I manage, I saw that there is lot of spam being addressed to email addresses like [email protected] or ...
Pit's user avatar
  • 973
5 votes
1 answer
274 views

Spamassasin reports HTML_FONT_TINY with huge penalty, what is it?

Update The authors of the plugin suggested that it is a false positive. I am using MailPoet in a Wordpress installation to send newsletters. In an effort to validate the chances a newsletter has ...
raratiru's user avatar
  • 173
9 votes
2 answers
2k views

Does it really help against spam to replace the "@" with "(at)" and similar practices?

When e-mail addresses are mentioned on the web, I see a lot of: send (dot) me (at) spam (dot) com send . me (a) spam . com etc. Does it really help againt spambots finding the addresses to do these ...
PetaspeedBeaver's user avatar
2 votes
2 answers
954 views

Possible email by Office365 - how to check?

I think our dedicated sending IP has been blocked solely by Office365. We have stellar sending IP rating, and zero spam reports, content clean, full opt-in etc. No issues with any other Microsoft ...
AdamB's user avatar
  • 21
1 vote
1 answer
55 views

What's the technical name of the captcha like thing which asks you to identify all the 'ice-cream' pictures?

What is the technical name of that class of tool that pops up 5 to 6 images and asks you to pick all the 'xyz' items from that list? CAPTCHA is text on a funny background and you are asked to read ...
user avatar
1 vote
0 answers
18 views

Google displaying wrong site title and snippet [duplicate]

I am having an issue where a website that displays the incorrect site title and snippet in Google Search. From the content it is clear that some spammer has infected the site, but I cannot figure out ...
EmberJim's user avatar
1 vote
2 answers
471 views

Block spam from Google Analytics Measurement Protocol for Mobile Application

I'm not sure if this is quite the right place to post this, but it seemed the most appropriate! I'm using Google Analytics to track metrics from a mobile app using the Measurement Protocol, however I'...
steeveeet's user avatar
  • 151
1 vote
3 answers
2k views

How can I scan a HTML website for malicious links/scripts?

I designed a website using a free HTML templates. Up until now I used to trust the free templates I found online... Recently, one of these websites has received a lot of visits from Russia in a way ...
MicroMachine's user avatar
2 votes
1 answer
458 views

How can I protect my website if services like 2Captcha claim to crack the new reCAPTCHA?

Have recently seen their ad where they claim to be able to do it due to the fact that unlike most OCR CAPTCHA crackers which are bots, they use workforce, humans behind the scenes. Although I still ...
JaJames's user avatar
  • 31
0 votes
2 answers
367 views

How do I secure my site against human spam farm attacks?

I have a Q&A site that has recently been attacked by what I strongly believe to be a human spam farm, as described in these articles: Spammers Pay Others to Answer Security Tests Are You Human? ...
Neal Kruis's user avatar
0 votes
2 answers
5k views

Spamhaus is blocking my url for no reason

I own a small business that sells window decal stickers online. I changed hosting providers of my website to a new host because the old host was having some issues. The day I changed over, I ...
Bobbie Base's user avatar
1 vote
4 answers
2k views

Is this really GoogleBot, or is this a spammer?

I found this IP in my access log posting repeatedly thousands of times. Is this really GoogleBot, or is it a spammer? I hesitate to block it. 185.62.188.98 - - [13/May/2015:18:54:33 -0400] "POST /...
Chloe's user avatar
  • 512
1 vote
1 answer
6k views

Emails sent via Amazon SES going to spam in Gmail [duplicate]

Firstly I have read this question How can I prevent my mail from being classified as spam? -- I'm verified on Amazon SES and have DKIM enabled. I'm sending emails via Amazon SES - on Worpdress (using ...
stemie's user avatar
  • 285
3 votes
3 answers
682 views

Spam site re-proxying my site, how do I stop this?

So there's some guy out there duplicating my http://bitlucid.com website in some nonstandard way and for some nefarious reasons. I first found out about it when I saw a "copy" spam url in the logs ...
Kzqai's user avatar
  • 1,332