Anti-Spam Tools Page 6 of 7

GateCHA is a self-hosted, open-source management server for the ALTCHA proof-of-work CAPTCHA protocol. It is an alternative to ALTCHA Sentinel, not a replacement for the ALTCHA widget itself: GateCHA runs the challenge and verification endpoints for you and adds the management...

A simple yet powerful iOS app to block political spam for good.

Dont Text makes it simple to block spam text messages. Create custom filters to remove unwanted text messages. Manually customize how messages are filtered to make sure you never miss an important text.

Security Bot provides comprehensive Discord server protection with advanced moderation, anti-nuke, anti-raid, anti-spam, and verification features - all available for free with lightning-fast response times.

I’m personally getting a lot of Junk emails, one of the reasons is having a few LLC companies. A lot of other companies are trying to fix some issues (that don’t exist) or offer some services (that I don’t need).

Guardian Digital EnGarde Cloud Email Security secures against email threats like phishing, zero-day exploits, and debilitating ransomware attacks that define the modern threat landscape email users face every day.

Detects manipulation patterns in Android calls and messages locally, with account-free call blocking and optional coverage for messaging apps.

Using a single email address is like giving hackers, stalkers, and data brokers a universal key to your life. One public email allows strangers to track down your workplace, social media profiles, and hobbies.

A Linux based email gateway that filters email for viruses, spam, malware, phishing, and other threats. Works with any email server and any email provider such as Office 365.

GeeTest protects your websites, mobile apps and APIs from bad bot attacks with zero user friction. Its self-learning defense model based on Graph Convolutional Networks and massive volumes of biometric data collected in the past 7 years allows GeeTest to identify and mitigate...

Email Filtering Gateway as a Service.

Klar is an AI spam filter for Apple Mail that runs entirely on your Mac. A multilingual model classifies every message on device, in 100+ languages, and moves spam to junk.

The most robust spam protection utilizing AI and a cocktail of unique measurements to safeguard your customers.

Discord moderation and security that is always one step ahead.

Anti-spam plugin blocks automatic spam in comments section. No captcha. Plugin is easy to use: just install it and it just works. Blocked comments can be stored in the Spam area if needed. This can be enabled/disabled via Settings page.

Qboxmail is the only email hosting provider that develops all its Control Panels and other applications in-house and from scratch. We are a European company based in Italy and offer our services through a network of reseller partners that include MSPs, Telcos, ISPs, and hosting...

SpamHound is a reliable SMS and MMS spam filter for iOS platform that protects users from unwanted messages. Configure your filters and manage Black- and Whitelists manually. Create rules and clear your message list from undesired content easily.

A one click extension that clicks 'unsubscribe' link in emails for you. Just open an email and click the icon to use.

Begone is a productivity app for iOS. It lets you block individual numbers or number ranges quickly and effortlessly. It can also act as a private directory for people or companies that you don’t want to add to your contacts but want to identify when called by.

Privacy-first, self-hosted CAPTCHA for the modern web. No Google. No telemetry. No visual puzzles. Protect your software from bots without handing over your users' data to a third party.

TidyTalkBot is a powerful Telegram bot that provides automatic moderation to keep your groups clean and safe. It allows you to create custom configurations for blocking ads, filtering spam, and managing unwanted messages.

A Chrome extension to unsubscribe emails in Gmail.

The most powerful SMS filtering app for iOS. It can classify incoming messages as normal, junk, transaction or promotion.

Fresh Inbox is a Chrome extension to help you maintain a clutter-free Gmail inbox. It removes & blocks unwanted emails.

The Anti-Spam SMTP Proxy (ASSP) Server project aims to create an open source platform-independent SMTP Proxy server which implements auto-whitelists, self learning Hidden-Markov-Model and/or Bayesian, Greylisting, DNSBL, DNSWL, URIBL, SPF, SRS, Backscatter, Virus scanning...