Top "Spam-prevention" questions

Question context is related to spam prevention/filtering

What is the best way to programmatically detect porn images?

Akismet does an amazing job at detecting spam comments. But comments are not the only form of spam these days. …

spam-prevention
Publicly Available Spam Filter Training Set

I'm new to machine learning, and for my first project I'd like to write a naive Bayes spam filter. I …

machine-learning spam-prevention training-data
Better Honeypot Implementation (Form Anti-Spam)

How do we get rid of these spambots on our site? Every site falls victim to spambots at some point. …

forms spam-prevention honeypot
Simple contact form HTML with Captcha?

I am looking for a simple HTML for a contact form that has ReCaptcha or some type of anti-spam features. …

php html forms contact spam-prevention
How to configure AWS ELB to block certain IP addresses? (known spammers)

I am looking for a way to drop connections from known spam ip addresses on an Amazon's Elastic Load Balancer (…

amazon-web-services spam spam-prevention amazon-elb
What's the best open PHP newsletter manager?

I'm looking for a nice newsletter management solution. I tried CCmail a good script, but where I can't imort usernames! …

php open-source spam-prevention newsletter
How to move spam to spam folder?

i have already install postfix, dovecot, Clamav, Spamassassin and amavisd-new on my centos 5.10. The tutorial is in here : http://catatanlepas.…

postfix-mta mail-server spam-prevention spamassassin
Online SpamAssassin evaluation / RFC conformant check

I want to check the SpamAssassin SPAM score of E-Mails including headers generated by a script from a WebApp. Therefore …

email spam rfc spam-prevention spamassassin
Protect e-mail address with CSS only

I want to protect my e-mail address on webpages. But I don't know JavaScript and PHP. I know only HTML …

html css spam-prevention email-address
How to detect fake users ( crawlers ) and cURL

Some other website use cURL and fake http referer to copy my website content. Do we have any way to …

php curl spam-prevention