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New posts in spam-prevention

How can spammers manage to circumvent captcha?

spam-prevention

Spambots and input forms

Serve images in emails from http or https?

Obfuscating email in html

Does using CSRF form tokens help spam prevention?

Honeypot implementation

How does ReCAPTCHA work?

Is this mail() function safe from header injection?

I've seen this email protection on a website and would like to know how they have achieved this [duplicate]

Simple contact form HTML with Captcha? [closed]

python: correct method verify if email exists

Are there any alternatives to recaptcha.net, for stopping spam? [closed]

How to configure AWS ELB to block certain IP addresses? (known spammers) [closed]

How to Prevent SPAM without CAPTCHAs or a Centrally managed system (e.g. akismet)

captcha spam-prevention

How to protect html form from spammers?

What is the difference between a SPF include: and a:?

email spam-prevention spf

Can I ban or restrict a country based on IP?

Online SpamAssassin evaluation / RFC conformant check [closed]

Protecting email addresses from spam bots / web crawlers

Is it worth obfuscating email addresses on the web these days?

email spam-prevention