3 articles
Anti-spam techniques
Anti-spam techniques, also known as spam filtering, are the methods email providers, network operators, and senders use to detect, block, or discourage unsolicited bulk email (spam).
Anubis (software)
Anubis is a free, open-source web application firewall developed by Techaro and announced in January 2025 that blocks AI scraper bots with browser-based proof-of-work challenges.
Tuta (email)
Tuta, formerly Tutanota, is a German end-to-end encrypted email service launched in 2014 and renamed in 2023; in 2024 it became the first email provider to deploy post-quantum encryption in production.