How to block certain types of user registrations

[NateDhaliwal]

I would just use the AI spam detector (in the AI plugin). You can ask it to be more aggressive towards non-English posts, and posts containing hotline numbers, etc.

Discourse AI - Spam detection

This guide explains how to configure and use Discourse AI’s spam detection feature, including the setup process, scanning criteria, classification logic, customizations, and contrasts with AI triage. Required user level: Administrator Discourse AI provides an efficient spam detection feature that identifies and flags spam posts with minimal configuration. While designed for simplicity, it complements the more versatile AI triage system, which supports broader…