S3S3 
The latest version of S3 is 2.4 on Mac Informer. It is a perfect match for E-mail in the Communication category. The app is developed by Rixstep.
S3, short for “SpamStopper Stopper,” is a lightweight yet powerful solution designed to block spam crawlers from harvesting email addresses on your website. These bots behave like simplified search engine crawlers, scanning pages for anything containing “@” and adding it to spam lists. S3 safeguards your site with techniques that automated crawlers cannot interpret.
By combining numeric escapes, image-based email rendering, and smart obfuscation, S3 ensures human visitors can read your contact information while bots remain locked out. It’s an ideal choice for creators, businesses, and developers seeking a reliable way to prevent bots from scraping email addresses and improve website security against spam. This tool also aligns perfectly with long-tail needs such as “website email spam protection tool” and “best anti-spam crawler solution.”
Whether you run a small blog or a growing online service, S3 keeps your inbox cleaner and your data safer with minimal setup and maximum compatibility.
• Protects email addresses from spam crawlers using advanced obfuscation
• Uses numeric escapes and image files unreadable by bots
• Human-friendly display ensures visitors can still view your email
• Lightweight implementation suitable for any website
• Ideal for preventing bots from scraping email addresses across open-web pages
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