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Newest Captcha Programming Tips

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Generate security captcha image with PHP
Gjero Krsteski
· php, security, gd, captcha
Add Captcha in RoundCube login page
Morteza Nourelahi Alamdari
· php, authentication, captcha, login
Stop spam emails from bots (without captcha)
Evgeny Kolyakov
· jquery, php, js, spam
Captcha Shouldn't be hard
jack
· captcha, javascript
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