Can I set up to get an email if anyone posts to a particular category?

[downey (Michael Downey)]

Yes, you can get notifications based on category, tag, or a specific topic. See:

Discourse New User Guide

Welcome! As a new user of Discourse, we hope you will find this site intuitive and clearly structured, but here is some guidance to get you started: Basic Terms Used by Discourse (Nomenclature) Here are some very basic terms that will be helpful to keep in mind as you use Discourse or read this guide: Topic: The collection of messages grouped together in a meaningful conversation, with a title, listed in a category, beginning with an Original Post, and including all replies in chronologic…