spam 90 security 84 spam-protection 84 captcha 81 antispam 79 privacy 79 captcha-alternative 79 recaptcha 78 proof-of-work 78 ddos-mitigation 78 hcaptcha 78 ddos-protection 78 bot-detection 75 bot-defense 74 frictionless-captcha 74 human-verification 74 invisible-captcha 74 procaptcha 74 self-host 74 typescript 13 content-moderation 12 anti-spam 9 moderation 9 javascript 8 email 8 spam-prevention 7 ai 7 validation 7 anti-bot 6 email-validation 6 email-checker 5 nodejs 5 profanity 5 protection 4 disposable-email 4 text-moderation 4 profanity-filter 4 analytics 4 altcha 4 anti-abuse 4 spam-api 4 svelte 4 wcag 4 spam-filter 4 npm-package 4 temporary-email 4 temp-mail 4 unicode 4 russian 3 oss 3 english 3 spam-filtering 3 nlp 3 fraud-detection 3 email-filter 3 automation 3 challenge 3 captcha alternative 3 anti-ddos 3 altcaptcha 3 anti-scraping 3 batch-processing 3 disposable-domains 3 mailinator 3 ddos 3 dmarc 3 spf 3 email-security 3 node 3 disposable 3 pow 3 cli 3 spam filter 3 email-monitoring 2 trust-safety 2 content-safety 2 usex 2 blacklists 2 malware-detection 2 model-context-protocol 2 mcp 2 input-validation 2 llm 2 spamassassin 2 rspamd 2 machine-learning 2 zero-dependency 2 tor 2 classifier 2 proxies 2 blacklist 2 fake-email 2 email-verification 2 email-check 2 whitelist 2 temp-email 2 toxicity-detection 2 session-management 2 scalability 2 user-interaction 2