Hunting cheaters in a voting competition

Hunting cheaters in a voting competition

php spam-prevention voting

php

How to detect fake users ( crawlers ) and cURL

php curl spam-prevention

php

How effective is the honeypot technique against spam?

php spam spam-prevention honeypot

php

How can I find the Largest Common Substring between two strings in PHP?

php algorithm string performance spam-prevention

php

Combining individual probabilities in Naive Bayesian spam filtering

php probability spam-prevention

php

Bypass Gmail's spam filter (mails sent with PHP from a shared host)

php email spam swiftmailer spam-prevention

php

Can I ban or restrict a country based on IP?

php .htaccess mod-rewrite spam-prevention

php

How to protect html form from spammers?

php html captcha spam-prevention

php

Simple contact form HTML with Captcha? [closed]

php html forms contact spam-prevention

php

Is this mail() function safe from header injection?

php security spam-prevention

php

What is the best practice to send emails from PHP script?

php email spam-prevention spam

php