Preventing unwanted content from being posted on a website.

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24
votes
3answers
8k 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 ...
13
votes
3answers
2k views

Prevent malicious bots from posting spam

I remember a site closed due to misuse and i wonder if bots have a part of it. If the bot is POSTing something to my site what are ways I can combat it? I was thinking of setting some cookies and ...
15
votes
8answers
445 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 verification ...
3
votes
5answers
15k views

How to avoid getting spam through a website?

We seem to be getting A LOT of email spam, we have a combination of the email addresses as mailto links and contact forms that send to the same address. What measures can we put in place that will ...
3
votes
1answer
615 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?
6
votes
3answers
546 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 ...
5
votes
3answers
126 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 ...
2
votes
2answers
789 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 ...
1
vote
5answers
763 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
4answers
206 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?