How do I send a message to a user?

[Moin]

Welcome to Meta

@forum_solution

only users with higher trust levels (e.g., TL1 or TL2) are allowed.

You are right.
There is a blog post about the trust level system in Discourse which explains how some permissions are only granted after you gained a little more trust by interacting with the community

Understanding Discourse Trust Levels

Originally published at: Understanding Discourse Trust Levels The user trust system is a fundamental cornerstone of Discourse. Trust levels are a way of… Sandboxing new users in your community so that they cannot accidentally hurt themselves, or other users while they are learning what to do. Granting experienced users more rights over time, so that they can help everyone maintain and moderate… For a detailed list of trust level permissions, please see Trust Level Permissions Table (inc Mod…